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CVE-2026-74723: Btrfs Lzo Insufficient Header Checkcve-2026-74723-btrfs-lzo-insufficient-header-check

LZO compressed extent length validation checks for only a single header (srclen < LZO_LEN) instead of both the extent and segment headers (LZO_LEN * 2), allowing out-of-bounds reads on crafted inputs.

CCVE-2026-74723CWE-125CWE-130
by Provallyupdated 2026-09-02Apache-2.0
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