Log in Start free

Vulnerability · Published Feb 18, 2022 · Assigned by mitre

CVE-2022-25314

High 7.5

In plain English

A high-severity integer overflow in the expat package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.8% (higher than 92% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)4.8%top 8.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8expat2.2.5-8.el8_6.2ALSA-2022:5314
AlmaLinux:9expat2.2.10-12.el9_0.2ALSA-2022:5244
AlmaLinux:8expat-devel2.2.5-8.el8_6.2ALSA-2022:5314
AlmaLinux:9expat-devel2.2.10-12.el9_0.2ALSA-2022:5244
AlmaLinux:8mingw32-expat2.4.8-1.el8ALSA-2022:7811
AlmaLinux:8mingw64-expat2.4.8-1.el8ALSA-2022:7811
Alpine:v3.20expat2.4.5-r0ALPINE-CVE-2022-25314
Alpine:v3.21expat2.4.5-r0ALPINE-CVE-2022-25314
Alpine:v3.22expat2.4.5-r0ALPINE-CVE-2022-25314
Alpine:v3.23expat2.4.5-r0ALPINE-CVE-2022-25314
Alpine:v3.24expat2.4.5-r0ALPINE-CVE-2022-25314
Debian:12expat2.4.5-1DEBIAN-CVE-2022-25314
Debian:13expat2.4.5-1DEBIAN-CVE-2022-25314
Debian:14expat2.4.5-1DEBIAN-CVE-2022-25314
Debian:12libxmltokno fix listedDEBIAN-CVE-2022-25314
Rocky Linux:8expat0:2.2.5-8.el8_6.2RLSA-2022:5314
Ubuntu:22.04:LTScadaverno fix listedUBUNTU-CVE-2022-25314
Ubuntu:24.04:LTScadaverno fix listedUBUNTU-CVE-2022-25314
Ubuntu:25.10cadaverno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.04:LTScadaverno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.10cadaverno fix listedUBUNTU-CVE-2022-25314
Ubuntu:22.04:LTSfirefox1:1snap1-0ubuntu1UBUNTU-CVE-2022-25314
Ubuntu:22.04:LTSmatanzano fix listedUBUNTU-CVE-2022-25314
Ubuntu:24.04:LTSmatanzano fix listedUBUNTU-CVE-2022-25314
Ubuntu:25.10matanzano fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.04:LTSmatanzano fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.10matanzano fix listedUBUNTU-CVE-2022-25314
Ubuntu:25.10swish-eno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.10swish-eno fix listedUBUNTU-CVE-2022-25314
Ubuntu:22.04:LTStdomno fix listedUBUNTU-CVE-2022-25314
Ubuntu:24.04:LTStdomno fix listedUBUNTU-CVE-2022-25314
Ubuntu:25.10tdomno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.04:LTStdomno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.10tdomno fix listedUBUNTU-CVE-2022-25314
Ubuntu:22.04:LTSthunderbirdno fix listedUBUNTU-CVE-2022-25314
Ubuntu:24.04:LTSthunderbirdno fix listedUBUNTU-CVE-2022-25314
Ubuntu:25.10thunderbirdno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.04:LTSthunderbirdno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.10thunderbirdno fix listedUBUNTU-CVE-2022-25314
Ubuntu:22.04:LTSwbxml2no fix listedUBUNTU-CVE-2022-25314
Ubuntu:24.04:LTSwbxml2no fix listedUBUNTU-CVE-2022-25314
Ubuntu:25.10wbxml2no fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.04:LTSwbxml2no fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.10wbxml2no fix listedUBUNTU-CVE-2022-25314
Ubuntu:25.10xmlrpc-cno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.04:LTSxmlrpc-cno fix listedUBUNTU-CVE-2022-25314
Ubuntu:26.10xmlrpc-cno fix listedUBUNTU-CVE-2022-25314

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References