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 9.4 Extended Update Support and related variants that fix this vulnerability. Users should apply the official Red Hat update as described in the advisory (https://access.redhat.com/articles/11258) to remediate the issue. No additional mitigation steps are indicated.
Description
A security update for python3.11 addresses an infinite loop vulnerability when parsing tarfiles (CVE-2025-8194). This issue affects Red Hat Enterprise Linux 9.4 Extended Update Support and related variants. The vulnerability could cause the Python interpreter to enter an infinite loop during tarfile parsing, potentially impacting application availability or causing denial of service. Red Hat has released updated python3.11 packages to fix this issue.