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JLSEC-2025-58 In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD...

🗓️ 14 Oct 2025 15:35:41Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Use-after-free in libexpat up to version two four nine caused by eager destruction of a shared DTD during out-of-memory in external entity parsing.

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01 May 2026 18:01Current
8.6High risk
Vulners AI Score8.6
CVSS 3.17.5
EPSS0.00393
SSVC
libexpatshared DTDexternal entity parsingout of memoryuse after free
1