HighFix available

DEBIAN-CVE-2026-81934

Type: advisorySource: OSV1 source record

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.

Announced 27 Aug 2026Group revision 1

Original source ↗

DEBIAN-CVE-2026-81934

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-81934

redis

Source reference: /affected/0/package/name

Affected versions: 5:7.0.11-1
Source reference: /affected/0/versions
5:7.0.11-1+deb12u1
Source reference: /affected/0/versions
5:7.0.12-1
Source reference: /affected/0/versions
5:7.0.12-2
Source reference: /affected/0/versions
5:7.0.13-1
Source reference: /affected/0/versions
5:7.0.13-2
Source reference: /affected/0/versions
5:7.0.14-1
Source reference: /affected/0/versions
5:7.0.14-2
Source reference: /affected/0/versions
5:7.0.15-1~deb12u1
Source reference: /affected/0/versions
5:7.0.15-1~deb12u2
Source reference: /affected/0/versions
5:7.0.15-1~deb12u3
Source reference: /affected/0/versions
5:7.0.15-1~deb12u4
Source reference: /affected/0/versions
5:7.0.15-1~deb12u5
Source reference: /affected/0/versions
5:7.0.15-1~deb12u6
Source reference: /affected/0/versions
5:7.0.15-1~deb12u7
Source reference: /affected/0/versions
5:7.0.15-1~deb12u8
Source reference: /affected/0/versions
5:7.0.15-1~deb12u9
Source reference: /affected/0/versions
Fixed versions: 5:7.0.15-1~deb12u10
Source reference: /affected/0/ranges
Prerequisites: Not stated in this record

redis

Source reference: /affected/1/package/name

Affected versions: 5:8.0.2-3
Source reference: /affected/1/versions
5:8.0.2-3+deb13u1
Source reference: /affected/1/versions
5:8.0.2-3+deb13u2
Source reference: /affected/1/versions
Fixed versions: 5:8.0.2-3+deb13u3
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

redis

Source reference: /affected/2/package/name

Affected versions: 5:8.0.2-3
Source reference: /affected/2/versions
5:8.0.4-1
Source reference: /affected/2/versions
5:8.0.5-1
Source reference: /affected/2/versions
5:8.0.6-1
Source reference: /affected/2/versions
5:8.0.6-2
Source reference: /affected/2/versions
Fixed versions: 5:8.0.6-3
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5:7.0.15-1~deb12u10"
          }
        ]
      }
    ],
    "package": {
      "name": "redis",
      "purl": "pkg:deb/debian/redis?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "5:7.0.11-1",
      "5:7.0.11-1+deb12u1",
      "5:7.0.12-1",
      "5:7.0.12-2",
      "5:7.0.13-1",
      "5:7.0.13-2",
      "5:7.0.14-1",
      "5:7.0.14-2",
      "5:7.0.15-1~deb12u1",
      "5:7.0.15-1~deb12u2",
      "5:7.0.15-1~deb12u3",
      "5:7.0.15-1~deb12u4",
      "5:7.0.15-1~deb12u5",
      "5:7.0.15-1~deb12u6",
      "5:7.0.15-1~deb12u7",
      "5:7.0.15-1~deb12u8",
      "5:7.0.15-1~deb12u9"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-81934.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5:8.0.2-3+deb13u3"
          }
        ]
      }
    ],
    "package": {
      "name": "redis",
      "purl": "pkg:deb/debian/redis?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "5:8.0.2-3",
      "5:8.0.2-3+deb13u1",
      "5:8.0.2-3+deb13u2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-81934.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5:8.0.6-3"
          }
        ]
      }
    ],
    "package": {
      "name": "redis",
      "purl": "pkg:deb/debian/redis?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "5:8.0.2-3",
      "5:8.0.4-1",
      "5:8.0.5-1",
      "5:8.0.6-1",
      "5:8.0.6-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-81934.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Related CVEs: CVE-2026-81934
Source reference: /upstream

Publisher severity

high

Source reference: /severity/0/score

Event: #67713 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 21:14:34 GMT
Publisher date: Thu, 27 Aug 2026 20:18:57 GMT

Read the original announcement

Revision history

25 Oct 2026DEBIAN-CVE-2026-81934 · Revision 1Source updated