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.
Fix
Patch, vendor advisory and mitigation references on NVD 8
- https://bugs.gentoo.org/717920 Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://support.apple.com/kb/HT211931 Vendor Advisory
- https://support.apple.com/kb/HT212147 Vendor Advisory
- https://www.pcre.org/original/changelog.txt Release Notes, Vendor Advisory
- https://bugs.gentoo.org/717920 Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://support.apple.com/kb/HT211931 Vendor Advisory
- https://support.apple.com/kb/HT212147 Vendor Advisory
- https://www.pcre.org/original/changelog.txt Release Notes, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · pcre, apple, splunkNVD modified 2026-10-08 22:16
Affected (CPE criteria) 4
cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
References 14
- http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Feb/14 Mailing List, Third Party Advisory
- https://bugs.gentoo.org/717920 Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E Mailing List, Third Party Advisory
- https://support.apple.com/kb/HT211931 Vendor Advisory
- https://support.apple.com/kb/HT212147 Vendor Advisory
- https://www.pcre.org/original/changelog.txt Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Feb/14 Mailing List, Third Party Advisory
- https://bugs.gentoo.org/717920 Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E Mailing List, Third Party Advisory
- https://support.apple.com/kb/HT211931 Vendor Advisory
- https://support.apple.com/kb/HT212147 Vendor Advisory
- https://www.pcre.org/original/changelog.txt Release Notes, Vendor Advisory