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

🗓️ 06 Jul 2026 15:28:05Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 6 Views

Fix use-after-free in lzma, bz2, gzip decompressors when reusing after MemoryError under pressure

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06 Jul 2026 16:11Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.1
CVSS 49.1
EPSS0.00579
SSVC
6