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trafficserver — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2026-111813

Apache Traffic Server's experimental magick plugin lets an unauthenticated client control ImageMagick convert arguments in its default (unsigned) configuration. This issue affects Apache Traffic Server: from 8.0.1 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.

Products
trafficserver
Affected versions
9.2.0+ds-2, 9.2.0+ds-2+deb12u1, 9.2.1+ds-1, 9.2.2+ds-1, 9.2.3+ds-1, 9.2.3+ds-1+deb12u1, 9.2.4+ds-0+deb12u1, 9.2.4+ds-1, 9.2.4+ds-2, 9.2.5+ds-0+deb12u1, 9.2.5+ds-0+deb12u2, 9.2.5+ds-0+deb12u3, 9.2.5+ds-0+deb12u4, 9.2.5+ds-1
Fixed versions
Not specified
CVEs
CVE-2026-111813
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 17:49 UTC · Revision 1

Source evidence

DEBIAN-CVE-2026-111813

core-osv · Original source

Published 21 Oct 2026, 19:16 UTC

Apache Traffic Server's experimental magick plugin lets an unauthenticated client control ImageMagick convert arguments in its default (unsigned) configuration. This issue affects Apache Traffic Server: from 8.0.1 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.

osv:DEBIAN-CVE-2026-111813

trafficserver

Fixed versions: Not specified

Complete source record
{
  "id": "e8bfb9e703cd7c5b21226f8c45ab8b0f66316b0b6c7e7de071fdc63d1a3643b2",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-111813",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2026-111813",
    "summary": "Apache Traffic Server's experimental magick plugin lets an unauthenticated client control ImageMagick convert arguments in its default (unsigned) configuration. This issue affects Apache Traffic Server: from 8.0.1 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.",
    "evidence": "osv:DEBIAN-CVE-2026-111813",
    "products": [
      {
        "name": {
          "value": "trafficserver",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "9.2.0+ds-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.0+ds-2+deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.1+ds-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.2+ds-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.3+ds-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.3+ds-1+deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.4+ds-0+deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.4+ds-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.4+ds-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.5+ds-0+deb12u1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.5+ds-0+deb12u2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.5+ds-0+deb12u3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.5+ds-0+deb12u4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "9.2.5+ds-1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "DEBIAN-CVE-2026-111813",
      "aliases": [
        "DEBIAN-CVE-2026-111813"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "trafficserver",
            "purl": "pkg:deb/debian/trafficserver?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "9.2.0+ds-2",
            "9.2.0+ds-2+deb12u1",
            "9.2.1+ds-1",
            "9.2.2+ds-1",
            "9.2.3+ds-1",
            "9.2.3+ds-1+deb12u1",
            "9.2.4+ds-0+deb12u1",
            "9.2.4+ds-1",
            "9.2.4+ds-2",
            "9.2.5+ds-0+deb12u1",
            "9.2.5+ds-0+deb12u2",
            "9.2.5+ds-0+deb12u3",
            "9.2.5+ds-0+deb12u4",
            "9.2.5+ds-1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-111813.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-27T09:47:41.848229131Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-111813"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2026-111813"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-111813",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 461309,
  "published_at": "2026-10-21T19:16:59.167+00:00"
}