Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package python3-tkinter (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALMALINUX10-PYTHON3TKINTER-15236072
- published6 Feb 2026
- disclosed27 Jan 2026
Introduced: 27 Jan 2026
CVE-2025-13836 (opens in a new tab)Amendment
The AlmaLinux security team deemed this advisory irrelevant for AlmaLinux:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python3-tkinter package and not the python3-tkinter package as distributed by AlmaLinux.
When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS.
References
- https://errata.almalinux.org/8/ALSA-2026-1374.html
- https://errata.almalinux.org/9/ALSA-2026-1408.html
- https://errata.almalinux.org/9/ALSA-2026-1410.html
- https://errata.almalinux.org/10/ALSA-2026-1828.html
- https://errata.almalinux.org/8/ALSA-2026-2419.html
- https://access.redhat.com/security/cve/CVE-2025-13836
- https://access.redhat.com/errata/RHSA-2026:1374
- https://access.redhat.com/errata/RHSA-2026:1408
- https://access.redhat.com/errata/RHSA-2026:1410
- https://access.redhat.com/errata/RHSA-2026:1828
- https://access.redhat.com/errata/RHSA-2026:2419
- https://github.com/python/cpython/commit/14b1fdb0a94b96f86fc7b86671ea9582b8676628
- https://github.com/python/cpython/commit/289f29b0fe38baf2d7cb5854f4bb573cc34a6a15
- https://github.com/python/cpython/commit/4ce27904b597c77d74dd93f2c912676021a99155
- https://github.com/python/cpython/commit/5a4c4a033a4a54481be6870aa1896fad732555b5
- https://github.com/python/cpython/issues/119451
- https://github.com/python/cpython/pull/119454
- https://mail.python.org/archives/list/security-announce@python.org/thread/OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO/
- https://github.com/python/cpython/commit/5dc101675fd22918facbbe0fecdc821502beaaf0
- https://github.com/python/cpython/commit/afc40bdd3dd71f343fd9016f6d8eebbacbd6587c