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, 17:47 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 for Red Hat Enterprise Linux 8.8 that fix this vulnerability. Users should apply the official Red Hat update as described in the advisory RHSA-2025:16031 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated.
Description
A security update for python3.11 addresses an infinite loop vulnerability in the CPython tarfile parsing code (CVE-2025-8194). This flaw could cause the Python interpreter to hang when processing certain tarfiles. The issue is rated with moderate severity by Red Hat Product Security. The update is available for Red Hat Enterprise Linux 8.8 variants. No public exploit or CVSS score is currently provided.