CVE-2022-25313
MEDIUM 6.5EPSS 3.3%
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
- CVSS v3.1 NVD
- 6.5 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P - EPSS
- 3.29% chance of exploitation in the next 30 days, 88th percentile
- Published
- 2022-02-18
- Updated
- 2026-10-14
Proof-of-concept exploits (2)
- ShaikUsaf/external_expact_AOSP10_r33_CVE-2022-253130★ · 2022-05-11
- Trinadh465/external_expat-2.1.0_CVE-2022-253130★ · 2023-04-12
Security advisories
- http://www.openwall.com/lists/oss-security/2022/02/19/1
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- libexpat/libexpat/pull/558
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://security.gentoo.org/glsa/202209-24
- https://security.netapp.com/advisory/ntap-20220303-0008
- https://www.debian.org/security/2022/dsa-5085
- https://www.oracle.com/security-alerts/cpuapr2022.html