Detections
Analytics

CVE-2019-20838

high

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.

References

https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E

https://bugs.gentoo.org/717920

http://seclists.org/fulldisclosure/2021/Feb/14

http://seclists.org/fulldisclosure/2020/Dec/32

https://www.pcre.org/original/changelog.txt

https://support.apple.com/kb/HT212147

https://support.apple.com/kb/HT211931

Details

Source: Mitre, NVD

Published: 2020-06-15

Updated: 2024-03-27

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00204