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CVE-2019-20633

Published: 25 March 2020

GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

Priority

Low

CVSS 3 base score: 5.5

Status

Package Release Status
patch
Launchpad, Ubuntu, Debian
Upstream Not vulnerable
(debian: Incomplete fix for CVE-2018-6952 not applied)
Ubuntu 21.10 (Impish Indri) Needs triage

Ubuntu 21.04 (Hirsute Hippo) Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

Notes

AuthorNote
sbeattie
this issue was introduced by the fix for CVE-2018-6952, which
has not been applied to any Ubuntu release, due to a complete fix not
being available.

References