Red Hat Security Advisory: python3.11 security update
Affects Red Hat python3.11Source 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
Red Hat has released updated python3.11 packages that fix this vulnerability. Users of Red Hat Enterprise Linux 9 and its variants should apply the security update as described in the Red Hat advisory RHSA-2025:15010. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation is required beyond applying the official patch.
Description
A security update for python3.11 in Red Hat Enterprise Linux addresses an infinite loop vulnerability when parsing tarfiles (CVE-2025-8194). This flaw could cause the Python interpreter to hang indefinitely during tarfile processing. The update is rated as having a moderate security impact by Red Hat Product Security. The advisory provides updated packages for various Red Hat Enterprise Linux 9 variants and architectures.