SUSE · Security update for python311
Affects SUSESource GCVE Database
Not known to be exploited · CVSS 6.0 Medium · fixed in SUSE package updates : update SUSE cpython when convenient.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.15.0a8, 3.14.4, 3.13.13
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade CPython to 3.15.0a8, 3.14.4 or 3.13.13.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | Affected
| Fixed in
|
PyPIcpythonpkg:pypi/cpythonOther threats | 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.
Description
This update for python311 fixes the following issues: - CVE-2026-3446: Base64 decoding stops at first padded quad by default (bsc#1261970).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/suse-su-2026_2298-1.json (opens in a new tab)
- suse.com/support/update/announcement/2026/suse-su-20262298-1/ (opens in a new tab)
- lists.suse.com/pipermail/sle-updates/2026-June/047128.html (opens in a new tab)
- bugzilla.suse.com/1258364 (opens in a new tab)
- bugzilla.suse.com/1261970 (opens in a new tab)
- suse.com/security/cve/CVE-2026-3446/ (opens in a new tab)