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rsyslog — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2011-1489

A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message belonging to more than one ruleset.

Products
rsyslog
Affected versions
Not specified
Fixed versions
5.7.6-1
CVEs
CVE-2011-1489
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 00:00 UTC · Revision 1

Source evidence

DEBIAN-CVE-2011-1489

core-osv · Original source

Published 14 Nov 2019, 02:15 UTC

A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message belonging to more than one ruleset.

osv:DEBIAN-CVE-2011-1489

rsyslog

Fixed versions: 5.7.6-1

rsyslog

Fixed versions: 5.7.6-1

rsyslog

Fixed versions: 5.7.6-1

Complete source record
{
  "id": "05f8d1da91b65dc49193adee3de29a5799758ba098a33c8b8af8cbbe32006dd6",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-1489",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2011-1489",
    "summary": "A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages were logged when multiple rulesets were used and some output batches contained messages belonging to more than one ruleset. A local attacker could cause denial of the rsyslogd daemon service via a log message belonging to more than one ruleset.",
    "evidence": "osv:DEBIAN-CVE-2011-1489",
    "products": [
      {
        "name": {
          "value": "rsyslog",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.7.6-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "rsyslog",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.7.6-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "rsyslog",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.7.6-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2011-1489",
      "aliases": [
        "DEBIAN-CVE-2011-1489"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.7.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "rsyslog",
            "purl": "pkg:deb/debian/rsyslog?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1489.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.7.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "rsyslog",
            "purl": "pkg:deb/debian/rsyslog?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1489.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.7.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "rsyslog",
            "purl": "pkg:deb/debian/rsyslog?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1489.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "modified": "2026-10-23T18:02:45.990997504Z",
      "provider": "osv",
      "upstream": [
        "CVE-2011-1489"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2011-1489"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2011-1489",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 419670,
  "published_at": "2019-11-14T02:15:10.797+00:00"
}