Full title: Unrar VMSF_DELTA Arbitrary Memory Write Exploit 
Category: dos / poc
Platform: linux
It appears that the VMSF_DELTA memory corruption that was reported to Sophos AV in 2012 (and fixed there) was actually inherited from upstream unrar. For unknown reasons, whoever fixed the bug did not report this to upstream unrar, and the bug seems to have persisted there to this day.

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