Improper resource allocation In expat
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
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Component | Affected version | Patched versions |
|---|---|---|---|
 rpm rhel10 | - | - | |
rpm rhel6 | - | - | |
rpm rhel6 | - | - | |
rpm rhel8 | - | - | |
rpm rhel8 | - | - | |
rpm rhel9 | - | - | |
rpm rhel7 | - | - | |
rpm rhel8 | - | - | |
 alpine v3.23 | 2.8.2-r0 | ||
alpine v3.24 | 2.8.2-r0 |
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Aliases
1. 2. 3. 4. 5. 6. 7.