CVE-2023-39615

mediumCVSS 6.5covered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

What: Out-of-bounds read vulnerability in xmlSAX2StartElement() function when parsing crafted XML.
Who is affected: Applications using Libxml2 v2.11.0 that process untrusted XML files.
Urgency: Medium severity (CVSS 6.5) denial of service; vendor disputed but impact confirmed.
Action: Upgrade Libxml2 beyond v2.11.0 or apply vendor-supplied patch.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.67% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.

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