CVE-2026-41992: gzip through 1.14 (inclusive), 0 through 1.14

CVE-2026-41992. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.0062 (percentile 0.49379), scored 25-Oct-2026.

Affected technology

gzip · through 1.14 (inclusive)
gnu

gzip · 0 through 1.14
GNU

Component: unlzh.c (LZH decompressor), unlzw.c (LZW decompressor), gzip.c (shared global state)

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · No user interaction required

What an attacker can do

An attacker can poison the shared global state and subsequently trigger an out‑of‑bounds read in the LZH decoder. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-126
CCR priority: 30.2 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · NVD
EPSS: 0.0062 · percentile 0.49379 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-41992.html