Debian/expat: unknown
Expat before 2.8.5 fails to validate that a high surrogate in UTF-16 input is followed by a low surrogate, allowing malformed UTF-16 sequences to be accepted. Attackers can supply UTF-16 encoded XML c
Action: Upgrade expat to 2.9.0-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.9.0-1~deb13u1 | - |
Fixed versions
| 2.9.0-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-93990#Debian:13/expat
- https://security-tracker.debian.org/tracker/CVE-2026-93990
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