CVE-2026-116591

compress zstd: Panic on two-block frames

CVE-2026-116591 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2026-116591, released November 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0033

26th percentile

bsc#1288588, github.com/klauspost/compress/zstd

Where it's fixed

Product	Fixed in	Fix	Released
Linux
cadvisor · opensuse-leap 16.0	0.60.6-bp160.4.1	OPENSUSE-SU-2026:22218-1	Nov 7, 2026
go-containerregistry · opensuse-leap 16.0	0.22.1-bp160.1.1	OPENSUSE-SU-2026:22227-1	Nov 7, 2026
golang-github-klauspost-compress · Debian 14	1.20.3+ds1-1	DEBIAN-CVE-2026-116591	Nov 1, 2026
hauler · opensuse-leap 16.0	2.1.2-bp160.2.1	OPENSUSE-SU-2026:22228-1	Nov 7, 2026

Details

Published
October 26, 2026
Weakness
Integer Overflow or Wraparound
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-116591

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/cve/CVE-2026-116591">CVE-2026-116591 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Is this on your machines?

Patchblox finds every install below the fixed version on Windows, macOS and Linux, and updates them through your release rings.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.