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xscreensaver — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2007-1859

XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.

Products
xscreensaver
Affected versions
Not specified
Fixed versions
5.03-1
CVEs
CVE-2007-1859
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 15:45 UTC · Revision 1

Source evidence

DEBIAN-CVE-2007-1859

core-osv · Original source

Published 2 May 2007, 20:19 UTC

XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.

osv:DEBIAN-CVE-2007-1859

xscreensaver

Fixed versions: 5.03-1

xscreensaver

Fixed versions: 5.03-1

xscreensaver

Fixed versions: 5.03-1

Complete source record
{
  "id": "04f3dc36069b48fd77d046ed9fdad67ef917b2b9f093db5093f210963f6638d4",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-1859",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2007-1859",
    "summary": "XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.",
    "evidence": "osv:DEBIAN-CVE-2007-1859",
    "products": [
      {
        "name": {
          "value": "xscreensaver",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.03-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "xscreensaver",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.03-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "xscreensaver",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.03-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2007-1859",
      "aliases": [
        "DEBIAN-CVE-2007-1859"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.03-1"
                }
              ]
            }
          ],
          "package": {
            "name": "xscreensaver",
            "purl": "pkg:deb/debian/xscreensaver?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-1859.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.03-1"
                }
              ]
            }
          ],
          "package": {
            "name": "xscreensaver",
            "purl": "pkg:deb/debian/xscreensaver?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-1859.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.03-1"
                }
              ]
            }
          ],
          "package": {
            "name": "xscreensaver",
            "purl": "pkg:deb/debian/xscreensaver?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-1859.json"
          },
          "ecosystem_specific": {
            "urgency": "low"
          }
        }
      ],
      "modified": "2026-10-21T17:47:35.774756921Z",
      "provider": "osv",
      "upstream": [
        "CVE-2007-1859"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2007-1859"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2007-1859",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 398338,
  "published_at": "2007-05-02T20:19:00+00:00"
}