CVE-2022-25314
HIGH 7.5EPSS 4.8%
In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P - EPSS
- 4.82% chance of exploitation in the next 30 days, 92nd percentile
- Published
- 2022-02-18
- Updated
- 2026-10-14
Proof-of-concept exploits (1)
- ShaikUsaf/external_expact_AOSP10_r33_CVE-2022-253140★ · 2022-05-11
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/560
- 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