StackRadar

CVE-2026-43964

High

Advisory

Published 4 May 2026In the index since 5 Sept 2026
Severity
High
worst across findings
CVSS
7.5
base score, highest
EPSS
0.005
42nd percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
3
of 17,781 indexed, latest versions
Container images
3
deployed by those charts
Fix available
1 of 1
affected package

The matching OSV records carry no description.

Carried by container images the latest versions of 3 of 17,781 indexed charts deploy, on 3 images.

Affected packageAffected versionsFixed inImages
postfixdeb3.4.13-0ubuntu1.2, 3.7.11-0+deb12u1, 3.10.5-1~deb13u13.4.13-0ubuntu1.4+esm1, 3.10.10-0+deb13u13
OSV records
DEBIAN-CVE-2026-43964UBUNTU-CVE-2026-43964
Also known as
USN-8253-2

Charts affected

3 by stars
ChartLatestAffected imagesRadar Score
maildocker-postfixVerified publisher5.1.01 of 1See more

mail docker-postfix 5.1.0

1 of the 1 container images this version deploys carry CVE-2026-43964.

Container imageDigestPackageFixed in
boky/postfix:5.1.0aafc77238423
postfix@3.10.5-1~deb13u1
3.10.10-0+deb13u1

Open the chart page →

5,366
supportpalevilgn0me0.1.61 of 1See more

supportpal evilgn0me 0.1.6

1 of the 1 container images this version deploys carry CVE-2026-43964.

Container imageDigestPackageFixed in
public.ecr.aws/supportpal/helpdesk-monolithic:4.0.4573779e57fae
postfix@3.4.13-0ubuntu1.2
3.4.13-0ubuntu1.4+esm1

Open the chart page →

20,933
ibexaibexaVerified publisher3.11.11 of 10See more

ibexa ibexa 3.11.1

1 of the 10 container images this version deploys carry CVE-2026-43964.

Container imageDigestPackageFixed in
boky/postfix:4.4.0f3f247fd4252
postfix@3.7.11-0+deb12u1
no fix listed

Open the chart page →

5,959

Container images carrying it

3 by charts deploying them

A fixed version is listed for 1 of the 1 affected package.

Container imageDigestPackageFixed inUsed by
boky/postfix:5.1.0aafc77238423
postfix@3.10.5-1~deb13u1
3.10.10-0+deb13u1
1
boky/postfix:4.4.0f3f247fd4252
postfix@3.7.11-0+deb12u1
no fix listed
1
public.ecr.aws/supportpal/helpdesk-monolithic:4.0.4573779e57fae
postfix@3.4.13-0ubuntu1.2
3.4.13-0ubuntu1.4+esm1
1

syft 1.42.1 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.