Debian/expat: medium 6.9
In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.
Action: Upgrade expat to 2.8.2-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.8.2-1 | - |
Fixed versions
| 2.8.2-1 |
Sources
- osv: DEBIAN-CVE-2026-56132#Debian:14/expat
- https://security-tracker.debian.org/tracker/CVE-2026-56132
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