CVE catalog

CVE-2024-30156

varnish: CVE-2024-30156

[CVE catalog]

Severity
High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
Source
[NVD] · [CVE record]
EPSS
3.66% · Oct 25, 2026

Varnish Cache before 7.3.2 and 7.4.x before 7.4.3 (and before 6.0.13 LTS), and Varnish Enterprise 6 before 6.0.12r6, allows credits exhaustion for an HTTP/2 connection control flow window, aka a Broke Window Attack.

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debianvarnishtrixie7.7.0-3+deb13u1fixed
Debianvarnishtrixie-security7.7.0-3+deb13u2fixed
Debianvarnishbookworm7.1.1-2+deb12u1vulnerable
Debianvarnishbookworm-security7.1.1-2+deb12u1vulnerable
Alpinevarnish3.177.3.2-r0fixed
Alpinevarnish3.187.3.2-r0fixed
Alpinevarnish3.197.4.3-r0fixed
Alpinevarnish3.207.5.0-r0fixed
Alpinevarnish3.217.5.0-r0fixed
Alpinevarnish3.227.5.0-r0fixed
Alpinevarnish3.237.5.0-r0fixed
Alpinevarnish3.247.5.0-r0fixed
Ubuntuvarnish22.046.5.2-1vulnerable
Ubuntuvarnish22.046.6.1-1vulnerable
Ubuntuvarnish22.046.6.1-1ubuntu0.2vulnerable
Ubuntuvarnish24.047.1.1-1.1ubuntu1vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianvarnishsourcetrixie7.5.0-1not yet assignedNot reported[1068455]
Debianvarnishsourcebookworm(unfixed)not yet assignedNot reported[1068455]
Alpinevarnishapk3.177.3.2-r0Not reportedALPINE-CVE-2024-30156Not reported
Alpinevarnishapk3.187.3.2-r0Not reportedALPINE-CVE-2024-30156Not reported
Alpinevarnishapk3.197.4.3-r0Not reportedALPINE-CVE-2024-30156Not reported
Alpinevarnishapk3.207.5.0-r0Not reportedALPINE-CVE-2024-30156Not reported
Alpinevarnishapk3.217.5.0-r0Not reportedALPINE-CVE-2024-30156Not reported
Alpinevarnishapk3.227.5.0-r0Not reportedALPINE-CVE-2024-30156Not reported
Alpinevarnishapk3.237.5.0-r0Not reportedALPINE-CVE-2024-30156Not reported
Alpinevarnishapk3.247.5.0-r0Not reportedALPINE-CVE-2024-30156Not reported

[Debian bug #1068455]

Notes

[bookworm] varnish: Minor issue, too intrusive to backport

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

References