CVE catalog

CVE-2018-19115

keepalived: CVE-2018-19115

[CVE catalog]

Severity
High · CVSS 8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
3.75% · Oct 25, 2026

keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debiankeepalivedsid1:2.3.4-1fixed
Debiankeepalivedforky1:2.3.4-1fixed
Debiankeepalivedtrixie1:2.3.3-1fixed
Debiankeepalivedbookworm1:2.2.7-1fixed
Ubuntukeepalived16.041:1.2.19-1vulnerable
Ubuntukeepalived16.041:1.2.19-1ubuntu0.1vulnerable
Ubuntukeepalived16.041:1.2.19-1ubuntu0.2vulnerable
Ubuntukeepalived16.041:1.2.24-1ubuntu0.16.04.1vulnerable
Ubuntukeepalived16.041:1.2.24-1ubuntu0.16.04.2fixed
Ubuntukeepalived18.041:1.3.2-1build1vulnerable
Ubuntukeepalived18.041:1.3.9-1vulnerable
Ubuntukeepalived18.041:1.3.9-1build1vulnerable
Ubuntukeepalived18.041:1.3.9-1ubuntu0.18.04.1vulnerable
Ubuntukeepalived18.041:1.3.9-1ubuntu0.18.04.2fixed
Ubuntukeepalivedpro1:1.2.7-1ubuntu1vulnerable
Ubuntukeepalivedpro1:1.2.7-1ubuntu1+esm1fixed
Ubuntukeepalivedpro1:1.2.7-1ubuntu1vulnerable
Ubuntukeepalivedpro1:1.2.7-1ubuntu1+esm1fixed
Ubuntukeepalived16.041:1.2.19-1vulnerable
Ubuntukeepalived16.041:1.2.19-1ubuntu0.1vulnerable
Ubuntukeepalived16.041:1.2.19-1ubuntu0.2vulnerable
Ubuntukeepalived16.041:1.2.24-1ubuntu0.16.04.1vulnerable
Ubuntukeepalived16.041:1.2.24-1ubuntu0.16.04.2fixed
Ubuntukeepalived18.041:1.3.2-1build1vulnerable
Ubuntukeepalived18.041:1.3.9-1vulnerable
Ubuntukeepalived18.041:1.3.9-1build1vulnerable
Ubuntukeepalived18.041:1.3.9-1ubuntu0.18.04.1vulnerable
Ubuntukeepalived18.041:1.3.9-1ubuntu0.18.04.2fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debiankeepalivedsourcesid1:2.0.10-1lowNot reported[914393]
Debiankeepalivedsourceforky1:2.0.10-1lowNot reported[914393]
Debiankeepalivedsourcetrixie1:2.0.10-1lowNot reported[914393]
Debiankeepalivedsourcebookworm1:2.0.10-1lowNot reported[914393]
Ubuntukeepaliveddeb16.041:1.2.24-1ubuntu0.16.04.2Not reportedUSN-3995-1Not reported
Ubuntukeepaliveddeb18.041:1.3.9-1ubuntu0.18.04.2Not reportedUSN-3995-1Not reported
Ubuntukeepaliveddebpro1:1.2.7-1ubuntu1+esm1Not reportedUSN-3995-2Not reported
Ubuntukeepaliveddebpro1:1.2.7-1ubuntu1+esm1Not reportedUBUNTU-CVE-2018-19115Not reported
Ubuntukeepaliveddeb16.041:1.2.24-1ubuntu0.16.04.2Not reportedUBUNTU-CVE-2018-19115Not reported
Ubuntukeepaliveddeb18.041:1.3.9-1ubuntu0.18.04.2Not reportedUBUNTU-CVE-2018-19115Not reported

[Debian bug #914393]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [keepalived]Fixed

    Source package: [keepalived]

    Details (2)

    • 1:2.2.7-1+b2 · amd64 · bookworm

      Fixed · Fixed: 1:2.0.10-1

      dsa · keepalived · debian · bookworm; dsa · keepalived · debian · 12

    • 1:2.2.7-1+b2 · arm64 · bookworm

      Fixed · Fixed: 1:2.0.10-1

      dsa · keepalived · debian · bookworm; dsa · keepalived · debian · 12

[Debian 13 (Trixie)]

  • [keepalived]Fixed
    Details (2)

    • 1:2.3.3-1 · amd64 · trixie

      Fixed · Fixed: 1:2.0.10-1

      dsa · keepalived · debian · 13

    • 1:2.3.3-1 · arm64 · trixie

      Fixed · Fixed: 1:2.0.10-1

      dsa · keepalived · debian · 13

Observed:

References

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