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CVE-2016-4300

Published: 23 June 2016

Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow.

Priority

Medium

CVSS 3 base score: 7.8

Status

Package Release Status
libarchive
Launchpad, Ubuntu, Debian
upstream Needed

precise
Released (3.0.3-6ubuntu1.3)
trusty
Released (3.1.2-7ubuntu2.3)
wily
Released (3.1.2-11ubuntu0.15.10.2)
xenial
Released (3.1.2-11ubuntu0.16.04.2)
Patches:
upstream: https://github.com/libarchive/libarchive/commit/3d469df8eaace8297a27ce62befa295c0fdc5a3a (bp)
upstream: https://github.com/libarchive/libarchive/commit/e79ef306afe332faf22e9b442a2c6b59cb175573