CVE-2019-20838

Publication date 15 June 2020

Last updated 11 July 2025


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

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.

Status

Package Ubuntu Release Status
pcre3 26.10 stonking Not in release
26.04 LTS resolute Not in release
25.10 questing Ignored end of life, was needed
25.04 plucky Ignored end of life, was needed
24.10 oracular Ignored end of life, was needed
24.04 LTS noble
Vulnerable
23.10 mantic Ignored end of life, was needed
23.04 lunar Ignored end of life, was needed
22.10 kinetic Ignored end of life, was needed
22.04 LTS jammy
Fixed in 2:8.39-13ubuntu0.22.04.1
21.10 impish
Fixed in 2:8.39-13ubuntu0.21.10.1
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed in 2:8.39-12ubuntu0.1
19.10 eoan Ignored end of life
18.04 LTS bionic
Fixed in 2:8.39-9ubuntu0.1
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
pcre3

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references


Access our resources on patching vulnerabilities