Your submission was sent successfully! Close

You have successfully unsubscribed! Close

CVE-2019-20838

Published: 15 June 2020

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
pcre3
Launchpad, Ubuntu, Debian
bionic
Released (2:8.39-9ubuntu0.1)
eoan Ignored
(reached end-of-life)
focal
Released (2:8.39-12ubuntu0.1)
groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish
Released (2:8.39-13ubuntu0.21.10.1)
jammy
Released (2:8.39-13ubuntu0.22.04.1)
kinetic Needed

lunar Needed

trusty Not vulnerable
(code not present)
upstream
Released (8.43)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://vcs.pcre.org/pcre?view=revision&revision=1740

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H