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Status published
High
CVE-2019-20838
libpcre in PCRE before 8.43 allows a subject buffer over-read...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugs.gentoo.org/717920
- https://www.pcre.org/original/changelog.txt
- https://support.apple.com/kb/HT211931
- http://seclists.org/fulldisclosure/2020/Dec/32
- https://support.apple.com/kb/HT212147
- http://seclists.org/fulldisclosure/2021/Feb/14
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
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Affected Vendor
pcre
View all reports →Affected Software
pcre, macos, universal forwarder
Vulnerable Versions:
0, 8.2.0, 9.0.0, 9.1.0
Timeline
Official Publish:
June 15th, 2020
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.