P4Verified

CVE-2026-103111: PCRE2 0 to before 10.49

CVE-2026-103111 affects azl3 python-jwt 2.13.0-1 on Azure Linux 3.0. CVSS 3.1 base score 7.6 (HIGH, Microsoft Security Response Center). EPSS 0.00214 (percentile 0.10812), scored 08-Oct-2026. Fixed version: 10.49-r0. Fixed version: 10.49-r0. Fixed version: 6f9d7c1373262c541324a16a358785b33ef116cf. Fixed version: 10.42-1+deb12u2. Fixed version: 10.46-1~deb13u3. Fixed version: 10.48-3.1.

Affected technology

PCRE2 · 0 to before 10.49
PCRE

Description’s affected range: before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage,

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 7.6/10) rates confidentiality and availability impact as low; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 11-Oct-2026 14:47 UTC

CWE: CWE-787
Product: azl3 python-jwt 2.13.0-1 on Azure Linux 3.0
CCR priority: 30.5 /100 (P4)
CVSS 3.1: 7.6 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L · Microsoft Security Response Center
EPSS: 0.00214 · percentile 0.10858 · 2026-10-10
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-10 21:26:32.650893+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-04 06:01:24.332572+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-04 05:55:03.931280+00:00 UTC
OSV.dev · Source record · observed 2026-10-04 08:10:59.885464+00:00 UTC
OSV.dev · Source record · observed 2026-10-04 13:35:46.972631+00:00 UTC
OSV.dev · Source record · observed 2026-10-08 18:36:34.954917+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-103111.html