CVE-2022-1587
Published: 16 May 2022
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pcre2 Launchpad, Ubuntu, Debian |
focal |
Released
(10.34-7ubuntu0.1)
|
| impish |
Ignored
(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)
|
|
| bionic |
Released
(10.31-2ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
| mantic |
Not vulnerable
(10.40-1)
|
|
|
Patches: upstream: https://github.com/PCRE2Project/pcre2/commit/03654e751e7f0700693526b67dfcadda6b42c9d0 (pcre2-10.40) upstream: https://github.com/PCRE2Project/pcre2/commit/4ca0530b9bdf00d2485d612ddfab8d21c72dc83a (possibly?) upstream: https://github.com/PCRE2Project/pcre2/commit/d07c967b3ac93a9bd8816837053a75b0f8a816c9 (possibly?) |
||
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 |