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CVE-2025-8194VulnerabilityPublished Updated

Red Hat Security Advisory: python3.12 security update

Affects Red Hat python3.12Source GCVE Database

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Authoritative record:CVE-2025-8194· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 3 Nov 2026, 17:58 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
GitHubpython/cpythonpkg:github/python/cpythonOther threatsAffected
  • 3.10.0 – 3.14.0
5 affected builds
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 affected Red Hat Enterprise Linux 9 versions should apply the provided security update as described in the Red Hat advisory (RHSA-2025:15007) and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.

Description

A security update for python3.12 addresses an infinite loop vulnerability in CPython when parsing a tarfile (CVE-2025-8194). This issue could cause the Python interpreter to hang during tarfile processing. The update is rated as having moderate security impact by Red Hat and is available for Red Hat Enterprise Linux 9 and related variants.

References

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