CVE-2022-1586
Public on 2022-05-16
Modified on 2023-01-18
Description
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | pcre2 | 2022-10-31 | ALAS2-2022-1871 | Fixed |
| Amazon Linux 2023 | pcre2 | 2023-02-17 | ALAS2023-2023-045 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 6.4 | AV:N/AC:L/Au:N/C:P/I:N/A:P |
| NVD | CVSSv3 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |