Description
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).
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 11 | | =2.2.10-2 || =2.2.10-2+deb11u1 || =2.2.10-2+deb11u2 || =2.2.10-2+deb11u3 || =2.2.10-2+deb11u4 || =2.2.10-2+deb11u5 || =2.2.10-2+deb11u6 || =2.2.10-2+deb11u7 || =2.3.0-1 || =2.4.1-1 || =2.4.1-2 || =2.4.1-3 || =2.4.2-1 || =2.4.3-1 || =2.4.3-2 || =2.4.3-3 || =2.4.4-1 || =2.4.5-1 || =2.4.5-2 || =2.4.6-1 || =2.4.7-1 || =2.4.8-1 || =2.4.8-2 || =2.4.9-1 || =2.5.0-1 || =2.5.0-2 || =2.6.0-1 || =2.6.1-1 || =2.6.1-2 || =2.6.2-1 || =2.6.2-2 || =2.6.3-1 || =2.6.3-2 || =2.6.4-1 || =2.7.0-1 || =2.7.1-1 || =2.7.1-2 || =2.7.2-1 || =2.7.3-1 || =2.7.3-2 || =2.7.4-1 || =2.7.5-1 || =2.8.0-1 || =2.8.0-2 || =2.8.1-1 || =2.8.2-1 || =2.8.2-1~deb13u1 || =2.8.3-1 || =2.8.3-1~deb13u1 | - |
 alpine v3.24 | | | 2.8.2-r0 |
debian 14 | | =2.7.1-2 || =2.7.2-1 || =2.7.3-1 || =2.7.3-2 || =2.7.4-1 || =2.7.5-1 || =2.8.0-1 || =2.8.0-2 || =2.8.1-1 || =2.8.2-1~deb13u1 || >=0 <2.8.2-1 | 2.8.2-1 |
alpine v3.23 | | | 2.8.2-r0 |
alpine v3.21 | | | 2.8.2-r0 |
debian 13 | | =2.7.1-2 || =2.7.2-1 || =2.7.3-1 || =2.7.3-2 || =2.7.4-1 || =2.7.5-1 || =2.8.0-1 || =2.8.0-2 || =2.8.1-1 || >=0 <2.8.2-1~deb13u1 | 2.8.2-1~deb13u1 |
alpine v3.22 | | | 2.8.2-r0 |
debian 12 | | =2.5.0-1 || =2.5.0-1+deb12u1 || =2.5.0-1+deb12u2 || =2.5.0-2 || =2.6.0-1 || =2.6.1-1 || =2.6.1-2 || =2.6.2-1 || =2.6.2-2 || =2.6.3-1 || =2.6.3-2 || =2.6.4-1 || =2.7.0-1 || =2.7.1-1 || =2.7.1-2 || =2.7.2-1 || =2.7.3-1 || =2.7.3-2 || =2.7.4-1 || =2.7.5-1 || =2.8.0-1 || =2.8.0-2 || =2.8.1-1 || =2.8.2-1 || =2.8.2-1~deb13u1 || =2.8.3-1 || =2.8.3-1~deb13u1 | - |
 rpm rhel6 | | - | - |
rpm rhel6 | | - | - |
