DEBIAN-CVE-2026-115506
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-115506
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-115506.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-115506
- Upstream
- Published
- 2026-10-22T20:17:06Z
- Modified
- 2026-10-23T18:05:35Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
libexpat through 2.9.0 contains a denial of service vulnerability because billion laughs protection in accountingDiffTolerated() in xmlparse.c detects entity amplification too late. Attackers can supply a moderately sized XML document with a large DTD and nested entity expansions to consume tens of seconds of CPU per parse.
- References
Affected packages
Debian:12 / expat
Package
- Name
- expat
- Purl
- pkg:deb/debian/expat?arch=source&distro=bookworm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
2.*
2.5.0-1
2.5.0-1+deb12u1
2.5.0-1+deb12u2
2.5.0-1+deb12u3
2.5.0-1+deb12u4
2.5.0-1+deb12u5
2.5.0-2
2.6.0-1
2.6.1-1
2.6.1-2
2.6.2-1
2.6.2-2
2.6.3-1
2.6.3-2
2.6.4-1
2.7.0-1
2.7.1-1
2.7.1-2
2.7.2-1
2.7.3-1
2.7.3-2
2.7.4-1
2.7.5-1
2.8.0-1
2.8.0-2
2.8.1-1
2.8.2-1~deb13u1
2.8.2-1
2.8.3-1~deb13u1
2.8.3-1
2.8.4-1
2.8.4-2
2.8.5-1
2.8.5-2
2.9.0-1~deb13u1
2.9.0-1
Debian:13 / expat
Package
- Name
- expat
- Purl
- pkg:deb/debian/expat?arch=source&distro=trixie
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Debian:14 / expat
Package
- Name
- expat
- Purl
- pkg:deb/debian/expat?arch=source&distro=forky
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected