Debian/libxml2: low 3.3
xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.
Action: Upgrade libxml2 to 2.15.4+dfsg-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.15.4+dfsg-1 | - |
Fixed versions
| 2.15.4+dfsg-1 |
Sources
- osv: DEBIAN-CVE-2026-86141#Debian:14/libxml2
- https://security-tracker.debian.org/tracker/CVE-2026-86141
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