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CVE-2026-6100 Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure

🗓️ 13 Apr 2026 17:15:47Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Use-after-free in lzma, bz2, gzip when reusing after MemoryError under memory pressure; fixed.

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15 Jul 2026 01:49Current
7.2High risk
Vulners AI Score7.2
CVSS 49.1
EPSS0.00579
2