ALPINE-CVE-2026-118370
- Source
- https://security.alpinelinux.org/vuln/CVE-2026-118370
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-118370.json
- JSON Data
- https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-118370
- Upstream
- Published
- 2026-10-28T03:17:13Z
- Modified
- 2026-11-02T14:30:02Z
- Severity
-
- 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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 can supply a multi-gigabyte document with a start tag carrying over 2^30 attributes to overflow attIndex and nPrefixes, crashing applications or corrupting heap memory.
- References
Affected packages
Alpine:v3.21 / expat
Package
- Name
- expat
- Purl
- pkg:apk/alpine/expat?arch=source
Alpine:v3.22 / expat
Package
- Name
- expat
- Purl
- pkg:apk/alpine/expat?arch=source
Alpine:v3.23 / expat
Package
- Name
- expat
- Purl
- pkg:apk/alpine/expat?arch=source