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CVE-2018-17983

Published: 4 October 2018

cext/manifest.c in Mercurial before 4.7.2 has an out-of-bounds read during parsing of a malformed manifest entry.

Priority

Medium

Cvss 3 Severity Score

9.1

Score breakdown

Status

Package Release Status
mercurial
Launchpad, Ubuntu, Debian
bionic
Released (4.5.3-1ubuntu2.2)
cosmic Ignored
(reached end-of-life)
disco Not vulnerable
(4.8.2-1ubuntu3)
eoan Not vulnerable
(4.8.2-1ubuntu3)
focal Not vulnerable
(4.8.2-1ubuntu3)
groovy Not vulnerable
(4.8.2-1ubuntu3)
hirsute Not vulnerable
(4.8.2-1ubuntu3)
impish Not vulnerable
(4.8.2-1ubuntu3)
jammy Not vulnerable
(4.8.2-1ubuntu3)
precise Does not exist

trusty Not vulnerable
(code not present)
upstream
Released (4.7.2-1)
xenial
Released (3.7.3-1ubuntu1.1+esm1)
Patches:
upstream: https://www.mercurial-scm.org/repo/hg/rev/5405cb1a7901

Severity score breakdown

Parameter Value
Base score 9.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H