CVE-2022-1586
Published: 16 May 2022
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pcre2 Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| focal |
Released
(10.34-7ubuntu0.1)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Released
(10.39-3ubuntu0.1)
|
|
| kinetic |
Not vulnerable
(10.40-1)
|
|
| lunar |
Not vulnerable
(10.40-1)
|
|
| upstream |
Released
(10.40-1)
|
|
|
Patches: upstream: https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a (pcre2-10.40) upstream: https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |