SUSE · Security update for python311
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 4.1 Medium · fixed in SUSE package updates : update SUSE CPython when convenient.
Data as of 28 Oct 2026, 19:27 UTC
- Patch
- Available – fixed in 3.15.0b4, 3.14.7, 3.13.15 +3
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 23 Jun 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 to a fixed release listed under Affected software.
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
|
| Python Software FoundationCPython | Affected
| Fixed in
|
| Python Software FoundationCPython | 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: Security issues fixed: - CVE-2026-0864: improper handling of line-ending characters can lead to configuration file injection when the `configparser` module is used (bsc#1269066). - CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF (bsc#1261969). - CVE-2026-3276: quadratic complexity in `unicodedata.normalize()` can lead to DoS when processing specially crafted Unicode input (bsc#1267581). - CVE-2026-4360: in the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks (bsc#1269959). - CVE-2026-4786: Incomplete mitigation of %action expansion for command injection to webbrowser.open() (bsc#1262319). - CVE-2026-6019: BaseCookie.js_output() does not neutralize embedded characters (bsc#1262654). - CVE-2026-6100: Arbitrary code execution or information disclosure via use-after-free in decompression modules (bsc#1262098). - CVE-2026-7210: `xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection (bsc#1264962). - CVE-2026-7774: `tarfile.data_filter` path traversal bypass allows writing outside the extraction directory (bsc#1267821). - CVE-2026-8328: `ftpcp()` does not use actual peer address and trusts server-supplied PASV host address (bsc#1265268). - CVE-2026-11940: tarfile extraction filter bypass via a crafted archive allows escaping the destination directory and enables arbitrary file reads and writes (bsc#1268977). - CVE-2026-11972: infinite loop due to improper EOF handling in the tarfile module streaming mode can lead to DoS (bsc#1269788). - CVE-2026-15308: Incremental HTMLParser allows CPU-exhaustion DoS via repeated unterminated markup declarations (bsc#1271192). Non security issues fixed: - Regression in `http.cookies` (bsc#1263083). - udplite was removed -> python fails in tests (bsc#1268375). - Conflicts between different versions of Python (bsc#1258364).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/suse-su-2026_23212-1.json (opens in a new tab)
- suse.com/support/update/announcement/2026/suse-su-202623212-1/ (opens in a new tab)
- lists.suse.com/pipermail/sle-updates/2026-August/049504.html (opens in a new tab)
- bugzilla.suse.com/1258364 (opens in a new tab)
- bugzilla.suse.com/1261969 (opens in a new tab)
- bugzilla.suse.com/1262098 (opens in a new tab)
- bugzilla.suse.com/1262319 (opens in a new tab)
- bugzilla.suse.com/1262654 (opens in a new tab)
- bugzilla.suse.com/1263083 (opens in a new tab)
- bugzilla.suse.com/1264962 (opens in a new tab)
- bugzilla.suse.com/1265268 (opens in a new tab)
- bugzilla.suse.com/1267581 (opens in a new tab)
- bugzilla.suse.com/1267821 (opens in a new tab)
- bugzilla.suse.com/1268375 (opens in a new tab)
- bugzilla.suse.com/1268977 (opens in a new tab)
- bugzilla.suse.com/1269066 (opens in a new tab)
- bugzilla.suse.com/1269788 (opens in a new tab)
- bugzilla.suse.com/1269959 (opens in a new tab)
- bugzilla.suse.com/1271192 (opens in a new tab)