xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
Loading...
Loading...
Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-02-17. NVD baseline CVSS 9.8; sources differ by 0.0.
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
February 16, 2022
May 5, 2025
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding such as checks for whether a UTF-8 character is valid in a certain context.
RHBA-2022:4046 — Important
RHSA-2022:0815 — Important
RHSA-2022:0816 — Important
RHSA-2022:0817 — Important
RHSA-2022:0818 — Important
RHSA-2022:0824 — Important
RHSA-2022:0843 — Important
RHSA-2022:0845 — Important
RHSA-2022:0847 — Important
RHSA-2022:0850 — Important
RHSA-2022:0853 — Important
RHSA-2022:0951 — Important
RHSA-2022:1012 — Important
RHSA-2022:1053 — Important
RHSA-2022:1068 — Important
RHSA-2022:1069 — Important
RHSA-2022:1070 — Important
RHSA-2022:1263 — Important
RHSA-2022:1309 — Important
RHSA-2022:1539 — Important
RHSA-2022:1540 — Important
RHSA-2022:1643 — Important
RHSA-2022:1644 — Important
RHSA-2022:7144 — Important
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-25235
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.