{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "8.8.2"
              },
              {
                "fixed": "8.2.9"
              },
              {
                "fixed": "8.4.6"
              },
              {
                "fixed": "8.6.6"
              },
              {
                "fixed": "8.10.1"
              },
              {
                "fixed": "7.4.11"
              },
              {
                "fixed": "6.2.24"
              },
              {
                "fixed": "7.2.16"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c5031f43a7eaa0d96311746acf759ee6d6acb053"
            },
            {
              "fixed": "0eb14894da51df6d1e4a748e3308b95deb85617d"
            },
            {
              "fixed": "3f94c9f84d36da888d6ad0cdbab8962e1f3dbd7c"
            },
            {
              "fixed": "c78094fd4710bca2fa28d5dd2266b9b753b9868d"
            },
            {
              "fixed": "3399357e7c17b668289386b8a15a3037bc4527b1"
            },
            {
              "fixed": "aaf0ce63b3239f4b51f86ca1da8711b055721993"
            },
            {
              "fixed": "bfb69472301cb656043d3cbba332b406ef1d885a"
            },
            {
              "fixed": "335554f18caf7bbf6b0ac2b3548133d750f00a1b"
            },
            {
              "fixed": "6d088c335d5c3ec49a6c28486140b498e70b7834"
            }
          ],
          "repo": "https://github.com/redis/redis",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "cisa-cg",
    "cwe_ids": [
      "CWE-416"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81934.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "8.2.0-46"
          },
          {
            "fixed": "8.0.20-96"
          },
          {
            "fixed": "7.22.2-179"
          },
          {
            "fixed": "7.8.6-303"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server.",
  "id": "CVE-2026-81934",
  "modified": "2026-09-02T03:30:50.857700836Z",
  "published": "2026-08-27T19:40:15.141Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81934.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/6.2.24"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/7.2.16"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/7.4.11"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/8.10.1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/8.2.9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/8.4.6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/8.6.6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/redis/redis/releases/tag/8.8.2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-81934"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES"
    },
    {
      "type": "ADVISORY",
      "url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/"
    },
    {
      "type": "ADVISORY",
      "url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/"
    },
    {
      "type": "ADVISORY",
      "url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/"
    },
    {
      "type": "ADVISORY",
      "url": "https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-81934"
    },
    {
      "type": "FIX",
      "url": "https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/v12-security/pocs/tree/main/redis/server_ssl"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Redis TLS pending-data list use-after-free"
}