Red Hat Security Advisory: python3.12 security, bug fix, and enhancement update
Affects Red Hat python3.12 security,Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 5.9 Medium · fixed in Red Hat package updates : update Red Hat CPython when convenient.
Data as of 11 Nov 2026, 15:32 UTC
Thin evidence
One scorer or none| CNA (PSF) | CVSS 4.0 | 5.9 |
|---|
- Patch
- Available – fixed in 3.15.0rc3, 3.14.9, 3.13.18 +1
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Sep 2026
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 11 Nov 2026.
What to do
Upgrade CPython to 3.15.0rc3, 3.14.9, 3.13.18 or 3.12.15.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | Affected
| Fixed in
|
GitHubCPythonpkg:github/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 an official update for python3.12 that fixes this vulnerability. Users of Red Hat Enterprise Linux 10 should apply the python3.12 update (version 3.12.16-2.el10_3 or later) as provided in the Red Hat advisory RHSA-2026:98615. Detailed update instructions are available at https://access.redhat.com/articles/11258. Applying this update fully mitigates the vulnerability.
Description
A race condition vulnerability in Python 3.12 used in Red Hat Enterprise Linux 10 allows arbitrary file deletion during temporary directory cleanup. This issue is tracked as CVE-2026-12345 and has been rated as moderate severity by Red Hat. An update to python3.12 is available that addresses this security flaw along with other bug fixes and enhancements.