CVE-2026-32776Medium· 4.0▾ Sunlitlibexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 22 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
libexpat < 2.7.5Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-32778Low· 2.9libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.
CVE-2026-117610Medium· 5.9libexpat through 2.9.0 NULL Pointer Dereference via External Entity Subparser
CVE-2026-32777Medium· 4.0libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
CVE-2026-118370Medium· 5.9libexpat through 2.9.0 Integer Overflow in storeAtts via attIndex and nPrefixes
CVE-2026-115506High· 7.5libexpat through 2.9.0 Denial of Service via Billion Laughs Detection Delay
CVE-2026-113351Medium· 5.9libexpat 2.7.2 through 2.9.0 Denial of Service via XML_ParserReset