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CVE-2026-58152

Apache Traffic Server: Integer-handling errors in HPACK/XPACK decoding corrupt memory

CVSS 3.1 5.9 MEDIUMCVSS 4.0 6.9 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-58152

Published

Apache Traffic Server mishandles integers while decoding HPACK/XPACK headers, corrupting memory. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-58152

Published

Apache Traffic Server

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Traffic Server",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "8.0.0",
                            "lessThanOrEqual": "8.1.11",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "9.0.0",
                            "lessThanOrEqual": "9.2.14",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "10.0.0",
                            "lessThanOrEqual": "10.1.3",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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