A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.
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Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2025-06-16. NVD baseline CVSS 7.5; sources differ by 0.0.
A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.
June 16, 2025
June 2, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Red Hat Security Advisory: libxml2 security update
A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML...
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | libxml2-main-2.15.2-0.3.hum1 | 2026-04-10 | redhat |
| redhat | libxml2 | 2025-10-27 | redhat |
| redhat | libxml2-0:2.12.5-7.el10_0 | 2025-07-08 | redhat |
| debian:12 | libxml2 | — | osv |
| debian:13 | libxml2 | — | osv |
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.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
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-2025-49795
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