CVE-2007-4768: pcre

Vulnerability summary

CVE-2007-4768 is a medium (CVSS 6.8) vulnerability in pcre. EPSS estimates a 4.10% chance of exploitation in the next 30 days, higher than 90.6% of scored vulnerabilities.

Timeline

1. 07-11-2007
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.