CVE-2026-41991: gzip through 1.14 (inclusive), 0 through 1.14

CVE-2026-41991. CVSS 3.1 base score 4.7 (MEDIUM, NVD). EPSS 0.00117 (percentile 0.01657), scored 25-Oct-2026.

Affected technology

gzip · through 1.14 (inclusive)
gnu

gzip · 0 through 1.14
GNU

Component: Not specified by the source

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

What an attacker can do

A local attacker can pre‑create the predicted temporary file path as a symbolic link pointing to an arbitrary file writable by the victim. Vendor/CNA’s CVSS 4.0 assessment (base score 2.0/10) rates confidentiality and availability impact as none; integrity impact as low.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-377
CCR priority: 18.8 /100 (P5)
CVSS 3.1: 4.7 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N · NVD
EPSS: 0.00117 · percentile 0.01657 · 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-2026-41991.html