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CVE-2023-39615

6.5 medium SSVC exploitation: poc Modified
NVD · CVE.org

Xmlsoft Libxml2 v2.11.0 was discovered to contain an out-of-bounds read via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted XML file. NOTE: the vendor's position is that the product does not support the legacy SAX1 interface with custom callbacks; there is a crash even without crafted input.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · xmlsoftNVD modified 2026-10-15 00:16

Affected (CPE criteria) 1

  • cpe:2.3:a:xmlsoft:libxml2:2.11.0:*:*:*:*:*:*:*

References 7