CVE-2019-20633

Name
CVE-2019-20633
Description
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Exploit https://savannah.gnu.org/bugs/index.php?56683

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:* patch >= None <= 2.7.6

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
patch 3.14-main 2.7.6-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.13-main 2.7.6-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.12-main 2.7.6-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.11-main 2.7.6-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.15-main 2.7.6-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.16-main 2.7.6-r7 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.17-main 2.7.6-r9 Natanael Copa <ncopa@alpinelinux.org> fixed
patch edge-main 2.7.6-r10 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.18-main 2.7.6-r10 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.19-main 2.7.6-r10 Natanael Copa <ncopa@alpinelinux.org> fixed
patch 3.20-main 2.7.6-r10 Natanael Copa <ncopa@alpinelinux.org> fixed