CVE Vulnerability

CVE-2019-20838

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.gentoo.org/717920 Issue Tracking Patch
https://www.pcre.org/original/changelog.txt Release Notes Vendor Advisory
https://support.apple.com/kb/HT211931 Vendor Advisory
http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List Third Party Advisory
https://support.apple.com/kb/HT212147 Vendor Advisory
http://seclists.org/fulldisclosure/2021/Feb/14 Mailing List Third Party Advisory
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Information

Published : 2020-06-15 05:15

Updated : 2021-09-22 02:22

NVD link : CVE-2019-20838

Mitre link : CVE-2019-20838

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read