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
Red Hat has released updated python3.12 packages that fix this vulnerability. Users of Red Hat Enterprise Linux 9.4 Extended Update Support and related variants should apply the official security update as described in Red Hat advisory RHSA-2025:15348. No additional mitigation steps are required beyond applying the update.
Description
A security update for python3.12 addresses a vulnerability in CPython that causes an infinite loop when parsing a tarfile (CVE-2025-8194). This issue affects Red Hat Enterprise Linux 9.4 Extended Update Support and related variants. The vulnerability has been rated with moderate severity by Red Hat Product Security. The update fixes the infinite loop condition to prevent potential denial of service scenarios.