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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 Red Hat Enterprise Linux 8 and related products should apply the security update as described in the Red Hat advisory RHSA-2025:14546. No additional mitigation steps are indicated beyond applying the official patch.

Description

A security update for python3.12 addresses a vulnerability (CVE-2025-8194) in CPython that causes an infinite loop when parsing a tarfile. This issue affects Red Hat Enterprise Linux 8 and related products. The vulnerability has been rated as having moderate security impact by Red Hat Product Security. A fix is available in updated python3.12 packages for multiple architectures.

References

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