Multiple vulnerabilities in Mozilla Firefox and Firefox ESR

1) Buffer overflow

EUVDB-ID: #VU88653

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3864

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can trick the victim to open a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 115.9.1

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU88652

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-3302

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when handling HTTP/2 CONTINUATION frames. A remote attacker can trick the victim to visit a specially crated website and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 115.9.1

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Insufficient UI warning of dangerous operations

EUVDB-ID: #VU88636

Risk: Medium

CVSSv4.0: 4.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-3863

CWE-ID: CWE-357 - Insufficient UI Warning of Dangerous Operations

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a missing warning when downloading .xrm-ms files. A remote attacker can trick the victim to download and execute arbitrary code on the system.

Note, the vulnerability affects Windows installations only.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 115.9.1

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use-after-free

EUVDB-ID: #VU88631

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-3861

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to a use-after-free error. If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 115.9.1

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Integer overflow

EUVDB-ID: #VU88582

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-3859

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to integer overflow when handling OpenType fonts. A remote attacker can trick the victim to visit a specially crafted website and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox for Android: 100.1.0 - 124.2.0

Firefox ESR: 102.0 - 115.9.1

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU88579

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3852

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to GetBoundName can return the wrong version of an object when JIT optimizations were applied. A remote attacker can abuse such behavior to execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 115.9.1

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU88581

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3857

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect optimization when JIT created incorrect code for arguments in certain cases. A remote attacker can abuse such behavior to execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 115.9.1

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU88580

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3854

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect optimization, when some code patterns in the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. A remote attacker can abuse such behavior to execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 115.9.1

Firefox for Android: 100.1.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Use-after-free

EUVDB-ID: #VU88654

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3853

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can trick the victim to visit a specially crafted website and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 124.0.2

Firefox for Android: 116.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU88655

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-3855

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to JIT incorrectly optimized MSubstr operations. A remote attacker can trick the victim to visit a specially crafted website, trigger an out-of-bounds read and potentially compromise the affected system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 124.0.2

Firefox for Android: 116.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Use-after-free

EUVDB-ID: #VU88656

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3856

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error during WASM garbage collection. A remote attacker can trick the victim to visit a specially crafted website and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 124.0.2

Firefox for Android: 116.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Buffer overflow

EUVDB-ID: #VU88657

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-3858

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to a boundary error when processing JavaScript. A remote attacker can mutate a JavaScript object so that the JIT could crash while tracing it.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 124.0.2

Firefox for Android: 116.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Resource exhaustion

EUVDB-ID: #VU88658

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-3860

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when tracing empty shape lists. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 124.0.2

Firefox for Android: 116.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Access of uninitialized pointer

EUVDB-ID: #VU88659

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-3862

CWE-ID: CWE-824 - Access of Uninitialized Pointer

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to usage of uninitialized memory in MarkStack assignment operator. A remote attacker can trick the victim to visit the website and crash the browser.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 124.0.2

Firefox for Android: 116.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Buffer overflow

EUVDB-ID: #VU88660

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3865

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 116.0 - 124.0.2

Firefox for Android: 116.0 - 124.2.0

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-18/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Multiple Interpretations of UI Input

EUVDB-ID: #VU87640

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-2609

CWE-ID: CWE-450 - Multiple Interpretations of UI Input

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform clickjacking attack.

The vulnerability exists due to the permission prompt input delay can expire while the window is not in focus. A remote attacker can trick the victim to visit a specially crafted website and perform a clickjacking attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Firefox ESR: 102.0 - 115.9.1

CPE2.3

External links

https://www.mozilla.org/en-US/security/advisories/mfsa2024-19/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Risk	High
Patch available	YES
Number of vulnerabilities	16
CVE-ID	CVE-2024-3864 CVE-2024-3302 CVE-2024-3863 CVE-2024-3861 CVE-2024-3859 CVE-2024-3852 CVE-2024-3857 CVE-2024-3854 CVE-2024-3853 CVE-2024-3855 CVE-2024-3856 CVE-2024-3858 CVE-2024-3860 CVE-2024-3862 CVE-2024-3865 CVE-2024-2609
CWE-ID	CWE-119 CWE-400 CWE-357 CWE-416 CWE-190 CWE-1037 CWE-824 CWE-450
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Mozilla Firefox Client/Desktop applications / Web browsers Firefox ESR Client/Desktop applications / Web browsers Firefox for Android Mobile applications / Apps for mobile phones
Vendor	Mozilla