CVE catalog

CVE-2020-29074

x11vnc: CVE-2020-29074

[CVE catalog]

Severity
High · CVSS 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
1.78% · Oct 25, 2026

scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user.

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debianx11vncsid0.9.17-3fixed
Debianx11vncforky0.9.17-3fixed
Debianx11vnctrixie0.9.17-1fixed
Debianx11vncbookworm0.9.16-9fixed
Ubuntux11vncpro0.9.13-6vulnerable
Ubuntux11vncpro0.9.16-3vulnerable
Ubuntux11vncpro0.9.16-3ubuntu0.1~esm1vulnerable
Opensuseveyontumbleweed4.6.0-1.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianx11vncsourcesid0.9.16-5not yet assignedNot reported[975875]
Debianx11vncsourceforky0.9.16-5not yet assignedNot reported[975875]
Debianx11vncsourcetrixie0.9.16-5not yet assignedNot reported[975875]
Debianx11vncsourcebookworm0.9.16-5not yet assignedNot reported[975875]
Opensuseveyonrpmtumbleweed4.6.0-1.1Not reportedOPENSUSE-SU-2024:11496-1Not reported

[Debian bug #975875]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [x11vnc]Fixed
    Details (2)

    • 0.9.16-9 · amd64 · bookworm

      Fixed · Fixed: 0.9.16-5

      dsa · x11vnc · debian · bookworm; dsa · x11vnc · debian · 12

    • 0.9.16-9 · arm64 · bookworm

      Fixed · Fixed: 0.9.16-5

      dsa · x11vnc · debian · bookworm; dsa · x11vnc · debian · 12

[Debian 13 (Trixie)]

  • [x11vnc]Fixed
    Details (2)

    • 0.9.17-1 · amd64 · trixie

      Fixed · Fixed: 0.9.16-5

      dsa · x11vnc · debian · 13

    • 0.9.17-1 · arm64 · trixie

      Fixed · Fixed: 0.9.16-5

      dsa · x11vnc · debian · 13

Observed:

References

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