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kvirc — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2010-2785

The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \ (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving \r and \40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.

Products
kvirc
Affected versions
Not specified
Fixed versions
4:4.0.0-3
CVEs
CVE-2010-2785
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 23:26 UTC · Revision 1

Source evidence

DEBIAN-CVE-2010-2785

core-osv · Original source

Published 2 Aug 2010, 20:40 UTC

The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \ (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving \r and \40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.

osv:DEBIAN-CVE-2010-2785

kvirc

Fixed versions: 4:4.0.0-3

kvirc

Fixed versions: 4:4.0.0-3

kvirc

Fixed versions: 4:4.0.0-3

Complete source record
{
  "id": "3ecb67b4f71dd7e9efb875e322ef70bd857543d89177e4274a5e2be29ba163ae",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2010-2785",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2010-2785",
    "summary": "The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \\ (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving \\r and \\40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.",
    "evidence": "osv:DEBIAN-CVE-2010-2785",
    "products": [
      {
        "name": {
          "value": "kvirc",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4:4.0.0-3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kvirc",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4:4.0.0-3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kvirc",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4:4.0.0-3",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2010-2785",
      "aliases": [
        "DEBIAN-CVE-2010-2785"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4:4.0.0-3"
                }
              ]
            }
          ],
          "package": {
            "name": "kvirc",
            "purl": "pkg:deb/debian/kvirc?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-2785.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4:4.0.0-3"
                }
              ]
            }
          ],
          "package": {
            "name": "kvirc",
            "purl": "pkg:deb/debian/kvirc?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-2785.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4:4.0.0-3"
                }
              ]
            }
          ],
          "package": {
            "name": "kvirc",
            "purl": "pkg:deb/debian/kvirc?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-2785.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T17:47:43.750889909Z",
      "provider": "osv",
      "upstream": [
        "CVE-2010-2785"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2010-2785"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2010-2785",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 418595,
  "published_at": "2010-08-02T20:40:01.56+00:00"
}