CVE-2026-15534: Affected product not specified by the source

CVE-2026-15534. CVSS 3.1 base score 5.7 (MEDIUM, Source advisory). EPSS 0.00256 (percentile 0.163), scored 22-Oct-2026.

Affected technology

Product not specified by the source · 0 through 5.45.1
Vendor not specified by the source

Description’s affected range: versions through 5.45.1 have out-of-bounds heap reads and writes during regular expression matching via an undersized superlinear cache in S_regmatch

Component: perl
Function: S_regmatch
File: regexec.c

Attack conditions (Source advisory, CVSS 3.1): Local · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 5.7/10) rates confidentiality impact as none; integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-125, CWE-190, CWE-787
CCR priority: 22.9 /100 (P4)
CVSS 3.1: 5.7 /10 · CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H · Source advisory
EPSS: 0.00256 · percentile 0.163 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-15534.html