Bug 2477885 - CVE-2026-43964 postfix: buffer over-read via malformed enhanced status code [fedora-all]
Summary: CVE-2026-43964 postfix: buffer over-read via malformed enhanced status code [...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: postfix
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Jaroslav Škarvada
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["8f402afd-12d0-4ab9-a78b-5...
Depends On:
Blocks: CVE-2026-43964
TreeView+ depends on / blocked
 
Reported: 2026-05-15 13:41 UTC by Guilherme de Almeida Suckevicz
Modified: 2026-06-02 01:10 UTC (History)
1 user (show)

Fixed In Version: postfix-3.10.10-1.fc44 postfix-3.10.10-1.fc43
Clone Of:
Environment:
Last Closed: 2026-06-02 00:53:49 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2026-05-15 13:41:37 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-05-18 18:40:35 UTC
FEDORA-2026-5cf8cc5f32 (postfix-3.10.10-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5cf8cc5f32

Comment 2 Fedora Update System 2026-05-18 18:41:19 UTC
FEDORA-2026-e9fc21d7e2 (postfix-3.10.10-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-e9fc21d7e2

Comment 3 Fedora Update System 2026-05-18 18:47:44 UTC
FEDORA-2026-b1d51e524d (postfix-3.9.11-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-b1d51e524d

Comment 4 Fedora Update System 2026-05-19 02:06:07 UTC
FEDORA-2026-b1d51e524d has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-b1d51e524d`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b1d51e524d

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 5 Fedora Update System 2026-05-19 02:25:20 UTC
FEDORA-2026-5cf8cc5f32 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-5cf8cc5f32`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5cf8cc5f32

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-05-19 02:44:22 UTC
FEDORA-2026-e9fc21d7e2 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-e9fc21d7e2`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e9fc21d7e2

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 7 Fedora Update System 2026-06-02 00:53:49 UTC
FEDORA-2026-5cf8cc5f32 (postfix-3.10.10-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-06-02 01:10:54 UTC
FEDORA-2026-e9fc21d7e2 (postfix-3.10.10-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.


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