Red Hat Security Advisory: python3.12 security update
Affects Red Hat python3.12Source GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 3 Nov 2026, 17:58 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubpython/cpythonpkg:github/python/cpythonOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A security update for python3.12 is available from Red Hat for Red Hat Enterprise Linux 10 and related variants. Users should apply the update following Red Hat's official instructions at https://access.redhat.com/articles/11258. This update resolves the infinite loop issue in tarfile parsing. No additional mitigation steps are indicated by the vendor.
Description
A security update for python3.12 addresses an infinite loop vulnerability in CPython when parsing tarfiles (CVE-2025-8194). This issue could cause the Python interpreter to hang during tarfile parsing. The vulnerability is rated as moderate in severity by Red Hat. The update is available for Red Hat Enterprise Linux 10 and related variants. Users are advised to apply the update as per Red Hat's guidance.