Ubuntu update for jinja2
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2024-56201 CVE-2024-56326 CVE-2025-27516 |
| CWE-ID | CWE-254 CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Ubuntu Operating systems & Components / Operating system python-jinja2 (Ubuntu package) Operating systems & Components / Operating system package or component python3-jinja2 (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Security features bypass
EUVDB-ID: #VU101971
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2024-56201
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass sandbox restrictions.
The vulnerability exists due to improper validation of user-supplied input. A local user with the ability to control both the filename and the contents of a template can bypass sandbox restrictions.
Update the affected package jinja2 to the latest version.
Vulnerable software versionsUbuntu: 14.04 - 24.10
python-jinja2 (Ubuntu package): before Ubuntu Pro (Infra-only)
python3-jinja2 (Ubuntu package): before Ubuntu Pro (Infra-only)
CPE2.3- cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:24.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:24.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:python-jinja2_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:python3-jinja2_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-7343-1
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Security features bypass
EUVDB-ID: #VU101972
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2024-56326
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass sandbox restrictions.
The vulnerability exists in the way the Jinja sandboxed environment detects calls to str.format. A local user with the ability to control the contents of a template can bypass sandbox restrictions. MitigationUpdate the affected package jinja2 to the latest version.
Vulnerable software versionsUbuntu: 14.04 - 24.10
python-jinja2 (Ubuntu package): before Ubuntu Pro (Infra-only)
python3-jinja2 (Ubuntu package): before Ubuntu Pro (Infra-only)
CPE2.3- cpe:2.3:o:canonical:python-jinja2_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:python3-jinja2_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-7343-1
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Input validation error
EUVDB-ID: #VU105387
Risk: Low
CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2025-27516
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise the target system.
The vulnerability exists due to sandbox breakout through attr filter selecting format method. A local user can execute arbitrary code on the system.
MitigationUpdate the affected package jinja2 to the latest version.
Vulnerable software versionsUbuntu: 14.04 - 24.10
python-jinja2 (Ubuntu package): before Ubuntu Pro (Infra-only)
python3-jinja2 (Ubuntu package): before Ubuntu Pro (Infra-only)
CPE2.3- cpe:2.3:o:canonical:python-jinja2_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:python3-jinja2_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-7343-1
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
