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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Apple / macOS11.0.1
- PCRE / pcre8.43
- Splunk / Universal Forwarder8.2.0 – 8.2.12
- Splunk / Universal Forwarder9.1.0 – 9.1.0
References
- MISChttps://bugs.gentoo.org/717920
- MISChttps://www.pcre.org/original/changelog.txt
- VENDOR_ADVISORYhttps://support.apple.com/kb/HT211931
- MAILING_LISThttp://seclists.org/fulldisclosure/2020/Dec/32
- VENDOR_ADVISORYhttps://support.apple.com/kb/HT212147
- MAILING_LISThttp://seclists.org/fulldisclosure/2021/Feb/14
- MAILING_LISThttps://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
Updated 44m ago · 8 sources