CVE-2026-89162
Published: September 13, 2026Last modified: October 1, 2026
Description
In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 3.3 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | pcre2 | Not affected (10.40-r1) |
| 25 LTS | pcre2 | Fixed (10.48-r0) | |
| Stream | pcre2 | Fixed (10.48-r0) | |
| Hardened Containers | 23 LTS | pcre2 | Not affected (10.40-r1) |
| 25 LTS | pcre2 | Fixed (10.48-r0) | |
| Stream | pcre2 | Fixed (10.48-r0) |