Red Hat Security Advisory: python security update
Affects Red Hat pythonSource 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 5 Nov 2026, 18:33 UTC
- Patch
- Available – fixed in 3.15.0a6, 3.14.7, 3.13.15
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Jan 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 5 Nov 2026.
What to do
Upgrade CPython to 3.15.0a6, 3.14.7 or 3.13.15.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | Affected
| Fixed in
|
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 updated Python packages for Red Hat Enterprise Linux Server Extended Life Cycle Support Extension 6 that address these vulnerabilities. Users should apply these official updates as detailed in the Red Hat advisory (https://access.redhat.com/articles/11258) to remediate the issues. No additional mitigation steps are specified or required beyond applying the provided updates.
Description
Red Hat has issued a security advisory for Python addressing two vulnerabilities involving command injection in user-controlled IMAP and POP3 commands. These vulnerabilities, tracked as CVE-2025-15366 and CVE-2025-15367, affect the cpython implementation. The advisory rates the impact as moderate and provides updated packages for Red Hat Enterprise Linux Server Extended Life Cycle Support Extension 6. No CVSS score is provided in the advisory.
References
- access.redhat.com/errata/RHSA-2026:6007 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2431368 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2431373 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6007.json (opens in a new tab)