UbuntuUpdates.org

Package "zlib"

Name: zlib

Description:

This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • compression library - 32 bit runtime
  • compression library - 32 bit - DO NOT USE EXCEPT FOR PACKAGING
  • compression library - x32 runtime
  • compression library - x32 - DO NOT USE EXCEPT FOR PACKAGING
Latest version: 1:1.3.dfsg+really1.3.2-3ubuntu1.1
Release: stonking (26.10)
Level: updates
Repository: main

Links

All versions of this package
Bug fixes

List of files in package
Repository home page

Other versions of "zlib" in Stonking

Repository Area Version
base universe 1:1.3.dfsg+really1.3.2-3ubuntu1
base main 1:1.3.dfsg+really1.3.2-3ubuntu1
security main 1:1.3.dfsg+really1.3.2-3ubuntu1.1
security universe 1:1.3.dfsg+really1.3.2-3ubuntu1.1
updates universe 1:1.3.dfsg+really1.3.2-3ubuntu1.1

Packages in group

Deleted packages are displayed in grey.


Changelog

Version: 1:1.3.dfsg+really1.3.2-3ubuntu1.1 2026-10-22 21:07:35 UTC

zlib (1:1.3.dfsg+really1.3.2-3ubuntu1.1) stonking-security; urgency=medium

  * SECURITY UPDATE: heap buffer overflow in gz_vacate() during non-blocking
    gzwrite() operations
    - debian/patches/CVE-2026-85091.patch: reset stale input buffer pointer
      on gz_comp() error in gz_write() in gzwrite.c
    - CVE-2026-85091

 -- Shafayat Hossain Majumder Wed, 21 Oct 2026 16:56:24 -0400
CVE-2026-85091 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() o


About   -   Send Feedback to @ubuntu_updates