NULL Pointer Dereference Affecting p7zip package, versions <16.02+dfsg-2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published14 Jul 2026
- disclosed12 Nov 2016
Introduced: 12 Nov 2016
CVE-2016-9296 (opens in a new tab)How to fix?
Upgrade Echo:latest p7zip to version 16.02+dfsg-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream p7zip package and not the p7zip package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files.