Alpine/expat: medium 5.9
libexpat through 2.9.0 contains a signed integer overflow vulnerability in storeAtts() in lib/xmlparse.c that allows attackers to trigger out-of-bounds writes via oversized attribute counts. Attackers
Action: Upgrade expat to 2.10.0-r0 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.10.0-r0 | - |
Fixed versions
| 2.10.0-r0 |
Sources
- osv: ALPINE-CVE-2026-118370#Alpine:v3.23/expat
- https://security.alpinelinux.org/vuln/CVE-2026-118370
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