libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-50219 situation).
| Reporter | Title | Published | Views | Family All 83 |
|---|---|---|---|---|
 | Security Bulletin: Vulnerabilities in python (CVE-2026-56131, CVE-2026-56132) affects AIX/VIOS. | 15 Jul 202609:49 | – | ibm |
| Security Bulletin: Vulnerability in python (CVE-2026-50219) affects AIX/VIOS. | 15 Jul 202609:45 | – | ibm |
 | CVE-2026-50219 | 4 Jun 202604:20 | – | attackerkb |
| CVE-2026-56131 | 19 Jun 202602:56 | – | attackerkb |
 | Amazon Linux 2023 : firefox (ALAS2023-2026-1928) | 16 Jul 202600:00 | – | nessus |
| Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3795 (ALAS-2026-3795) | 8 Jul 202600:00 | – | nessus |
| Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-062 (ALASFIREFOX-2026-062) | 8 Jul 202600:00 | – | nessus |
| Debian dsa-6404 : expat - security update | 30 Jul 202600:00 | – | nessus |
| Fedora 44 : mingw-expat (2026-3cb1034453) | 6 Jul 202600:00 | – | nessus |
| Fedora 43 : mingw-expat (2026-6666907a26) | 6 Jul 202600:00 | – | nessus |
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03 Jul 2026 08:05Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.9 - 5.9
EPSS0.00288
SSVC