Multiple vulnerabilities in FreeRDP



| Updated: 2023-09-04
Risk High
Patch available YES
Number of vulnerabilities 17
CVE-ID CVE-2023-40575
CVE-2023-40181
CVE-2023-39355
CVE-2023-40187
CVE-2023-40188
CVE-2023-40567
CVE-2023-40569
CVE-2023-40576
CVE-2023-40574
CVE-2023-40589
CVE-2023-39351
CVE-2023-39354
CVE-2023-39356
CVE-2023-40186
CVE-2023-39352
CVE-2023-39353
CVE-2023-39350
CWE-ID CWE-125
CWE-191
CWE-416
CWE-787
CWE-119
CWE-476
CWE-190
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Public exploit code for vulnerability #3 is available.
Public exploit code for vulnerability #4 is available.
Public exploit code for vulnerability #6 is available.
Public exploit code for vulnerability #9 is available.
Public exploit code for vulnerability #10 is available.
Vulnerable software
 FreeRDP
Universal components / Libraries / Libraries used by multiple products

Vendor FreeRDP

Security Bulletin

This security bulletin contains information about 17 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU80343

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-40575

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in general_YUV444ToRGB_8u_P3AC4R_BGRX. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeRDP: 3.0.0 beta1 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c6vw-92h9-5w9v
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/primitives/prim_YUV.c#L414-L445


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

2) Integer underflow

EUVDB-ID: #VU80354

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-40181

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

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

The vulnerability exists due to integer underflow in zgfx_decompress_segment. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxp4-rx7x-h2g8
https://github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.c#L256-L261
https://github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.c#L334-L355


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

3) Use-after-free

EUVDB-ID: #VU80353

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-39355

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 in RDPGFX_CMDID_RESETGRAPHICS. A remote attacker can cause unexpected behavior.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 3.0.0 beta1 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hvwj-vmg6-2f5h
https://github.com/FreeRDP/FreeRDP/commit/d6f9d33a7db0b346195b6a15b5b99944ba41beee


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

4) Use-after-free

EUVDB-ID: #VU80352

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-40187

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 in avc420_ensure_buffer, avc444_ensure_buffer. A remote attacker can cause unexpected behavior.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 3.0.0 beta1 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pwf9-v5p9-ch4f
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/h264.c#L413-L427


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

5) Out-of-bounds read

EUVDB-ID: #VU80350

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-40188

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in general_LumaToYUV444. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/nsc.c#L115-L175
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9w28-wwj5-p4xq


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

6) Out-of-bounds write

EUVDB-ID: #VU80349

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2023-40567

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in clear_decompress_bands_data. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L843-L845
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2w9f-8wg4-8jfp
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/clear.c#L612-L618


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

7) Out-of-bounds write

EUVDB-ID: #VU80348

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-40569

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in progressive_decompress. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/progressive.c#L2598-L2616
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hm8c-rcjg-c8qp


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

8) Out-of-bounds read

EUVDB-ID: #VU80347

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-40576

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in RleDecompress. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeRDP: 3.0.0 beta1 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x3x5-r7jm-5pq2
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/include/bitmap.c#L94-L113


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

9) Out-of-bounds write

EUVDB-ID: #VU80346

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2023-40574

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in general_YUV444ToRGB_8u_P3AC4R_BGRX. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 3.0.0 beta1 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-422p-gj6x-93cw
https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/primitives/prim_YUV.c#L414-L445


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

10) Buffer overflow

EUVDB-ID: #VU80345

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-40589

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in ncrush_decompress. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gc34-mw6m-g42x
https://github.com/FreeRDP/FreeRDP/commit/16141a30f983dd6f7a6e5b0356084171942c9416


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

11) NULL pointer dereference

EUVDB-ID: #VU80399

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39351

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error within the rfx_process_message_tileset() function in libfreerdp/codec/rfx.c in RemoteFX. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-q9x9-cqjc-rgwq


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

12) Out-of-bounds read

EUVDB-ID: #VU80397

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-39354

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in nsc_rle_decompress_data() function in libfreerdp/codec/nsc.c. A remote user can send specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c3r2-pxxp-f8r6
https://github.com/FreeRDP/FreeRDP/commit/cd1da25a87358eb3b5512fd259310e95b19a05ec


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

13) Out-of-bounds read

EUVDB-ID: #VU80398

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39356

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the gdi_multi_opaque_rect() function. A remote attacker can send specially crafted packets to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-q5v5-qhj5-mh6m
https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/libfreerdp/gdi/gdi.c#L723C1-L758
https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/libfreerdp/core/orders.c#L1503-L1504
https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/include/freerdp/primary.h#L186-L196


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

14) Integer overflow

EUVDB-ID: #VU80401

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-40186

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow within the gdi_CreateSurface() function in libfreerdp/gdi/gfx.c. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/blob/fee2b10ba1154f952769a53eb608f044782e22f8/libfreerdp/gdi/gfx.c#L1156-L1165
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hcj4-3c3r-5j3v


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

15) Out-of-bounds write

EUVDB-ID: #VU80402

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-39352

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in libfreerdp/gdi/gfx.c. A remote attacker can send specially crafted data to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-whwr-qcf2-2mvj
https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/libfreerdp/gdi/gfx.c#L1219-L1239


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

16) Out-of-bounds read

EUVDB-ID: #VU80400

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39353

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in libfreerdp/codec/rfx.c. A remote attacker can trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hg53-9j9h-3c8f
https://github.com/FreeRDP/FreeRDP/blob/63a2f65618748c12f79ff7450d46c6e194f2db76/libfreerdp/codec/rfx.c#L994-L996


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

17) Integer underflow

EUVDB-ID: #VU80403

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39350

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

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

The vulnerability exists due to integer underflow caused by incorrect offset calculation. A remote attacker can send specially crafted data to the affected application, trigger an integer underflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 3.0.0 beta2

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffh
https://github.com/FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2dc


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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



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