CVE-2026-41991
gzipVulnerabilityCVSS 2.0Patched
No public exploitation has been reported so far. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 4.0 : 2.0 LOW · CVSS 3.1 : 4.7 MEDIUM
Attack vectorLocal
Attack complexityHigh
Attack requirementsPresent
Privileges requiredNone
User interactionPassive
Confidentiality impactNone
Integrity impactLow
Availability impactNone
Subsequent confidentialityNone
Subsequent integrityNone
Subsequent availabilityNone
Vector: AV:L/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Debian:11 | gzip | - | - | affected (no fix yet) |
| Debian:12 | gzip | - | - | affected (no fix yet) |
| Debian:13 | gzip | - | - | affected (no fix yet) |
| Debian:14 | gzip | - | - | affected (no fix yet) |
| Ubuntu:Pro:14.04:LTS | gzip | - | - | affected (no fix yet) |
| Ubuntu:Pro:16.04:LTS | gzip | - | - | affected (no fix yet) |
| Ubuntu:18.04:LTS | gzip | - | - | affected (no fix yet) |
| Ubuntu:20.04:LTS | gzip | - | - | affected (no fix yet) |
| Ubuntu:22.04:LTS | gzip | - | 1.10-4ubuntu4.2 | fixed |
| Ubuntu:24.04:LTS | gzip | - | 1.12-1ubuntu3.2 | fixed |
| Ubuntu:25.10 | gzip | - | - | affected (no fix yet) |
| Ubuntu:26.04:LTS | gzip | - | 1.14-1~exp2ubuntu1.1 | fixed |
| SUSE:Linux Micro 6.2 | gzip | - | 1.13-160000.3.1 | fixed |
| openSUSE:Tumbleweed | gzip | - | 1.14-2.1 | fixed |
| openSUSE:Leap 16.0 | gzip | - | 1.13-160000.3.1 | fixed |
| Red Hat:hummingbird:1 | gzip | - | 0:1.14-2.2.hum1 | fixed |