CVE-2026-76844Published

zlib 1.2.11 through 1.3.2 Heap Buffer Overflow via Stale gzwrite Pointer After Failed Write

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-76844

Published

zlib

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "zlib",
                    "product": "zlib",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:github/madler/zlib",
                    "versions": [
                        {
                            "version": "1.2.11",
                            "lessThanOrEqual": "1.3.2",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON