CVE-2026-89162

Publication date 11 September 2026

Last updated 3 November 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

2.9 · Low

Score breakdown

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.

Status

Package Ubuntu Release Status
pcre2 26.10 stonking
Fixed in 10.46-1ubuntu1
26.04 LTS resolute
Fixed in 10.46-1ubuntu0.1
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
pcre2

Severity score breakdown

CVSS version: CVSS v3.0

Base score 2.9 · Low

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-8974-1
    • PCRE2 vulnerabilities
    • 3 November 2026

Other references

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