Fedora 43 update for mpdecimal, python3.10, python3.11, python3.12, python3.13, python3.14

1) Input validation error

EUVDB-ID: #VU103812

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-0938

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to urllib.parse.urlsplit and urlparse accept domain names with square brackets. A remote attacker can pass specially crafted input to the application and bypass implemented security restrictions.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 43

python3.14: before 3.14.0~a4-3.fc43

python3.13: before 3.13.2-2.fc43

python3.12: before 3.12.9-2.fc43

python3.11: before 3.11.11-4.fc43

python3.10: before 3.10.16-4.fc43

mpdecimal: before 4.0.0-2.fc43

CPE2.3

• cpe:2.3:o:fedoraproject:fedora:43:*:*:*:*:*:*:*
• cpe:2.3:a:fedoraproject:python3_14:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:python3.13:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:python3.12:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:python3.11:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:python3.10:*:*:*:*:*:fedora:*:*
• cpe:2.3:a:fedoraproject:mpdecimal:*:*:*:*:*:fedora:*:*

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2025-26a9109b0e

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.