Debian/libxml2: high 7.8
libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell() function processes user input using fixed-size stack buffers with
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-2026-11979#Debian:14/libxml2
- https://security-tracker.debian.org/tracker/CVE-2026-11979
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