CVE catalog

CVE-2005-3409

openvpn: CVE-2005-3409

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
2.50% · Oct 25, 2026

OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianopenvpnsid2.7.8-1fixed
Debianopenvpnforky2.7.8-1fixed
Debianopenvpntrixie2.6.14-1+deb13u3fixed
Debianopenvpntrixie-security2.6.14-1+deb13u3fixed
Debianopenvpnbookworm2.6.14-0+deb12u2fixed
Debianopenvpnbookworm-security2.6.14-0+deb12u2fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianopenvpnsourcesid2.0.5-1lowNot reported[337334]
Debianopenvpnsourceforky2.0.5-1lowNot reported[337334]
Debianopenvpnsourcetrixie2.0.5-1lowNot reported[337334]
Debianopenvpnsourcebookworm2.0.5-1lowNot reported[337334]

[Debian bug #337334]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [openvpn]Unknown
    Details (4)

    • 2.6.14-0+deb12u2 · amd64 · bookworm

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

    • 2.6.14-0+deb12u2 · arm64 · bookworm

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

    • 2.6.14-0+deb12u2 · amd64 · bookworm-security

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

    • 2.6.14-0+deb12u2 · arm64 · bookworm-security

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

[Debian 13 (Trixie)]

  • [openvpn]Unknown
    Details (6)

    • 2.6.14-1+deb13u3 · amd64 · trixie

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · 13

    • 2.6.14-1+deb13u3 · arm64 · trixie

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · 13

    • 2.7.5-1~bpo13+1 · amd64 · trixie-backports

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · 13

    • 2.7.5-1~bpo13+1 · arm64 · trixie-backports

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · 13

    • 2.6.14-1+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · 13

    • 2.6.14-1+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 2.0.5-1

      dsa · openvpn · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]