Linux Distros Unpatched Vulnerability : CVE-2026-85091

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: ruby (UTSA-2026-106199)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106199 advisory. zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow...

AZL-99234 CVE-2026-85091 affecting package kata-containers 4.1.0.kata0-1

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

DEBIAN-CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

AZL-99090 CVE-2026-85091 affecting package zlib 1.3.2-1

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

AZL-99174 CVE-2026-85091 affecting package cloud-hypervisor 52.0.152-1

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

AZL-99294 CVE-2026-85091 affecting package mysql 8.0.46-1

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

AZL-99276 CVE-2026-85091 affecting package mariadb 10.11.18-1

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

UBUNTU-CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091 zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

EUVD-2026-70301

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091 zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091

zlib versions 1.3.1.2 through 1.3.2 are affected by a heap buffer overflow in the gz_vacate() function. The root cause is an unchecked memmove() that writes beyond the internal input buffer boundary when processing non-blocking gzwrite() operations with stale external buffer pointers . An attacke...

CVE-2026-85091 zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

CVE-2026-85091: Out-of-bounds Write

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gzvacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...

PT-2026-84905

Name of the Vulnerable Software and Affected Versions zlib versions 1.3.1.2 through 1.3.2 Description A heap buffer overflow occurs in the gz vacate function during the processing of non-blocking gzwrite operations involving stale external buffer pointers. This issue is triggered when gzprintf or...

PT-2026-90898

zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz vacate function when processing non-blocking gzwrite operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf or gzvprintf after a write stall, causing an...