Bug 2484513 - CVE-2026-6477 postgresql16: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory [fedora-all]
Summary: CVE-2026-6477 postgresql16: PostgreSQL libpq: Buffer overflow allows server s...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: postgresql16
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Filip Januš
QA Contact:
URL:
Whiteboard: {"flaws": ["299335d6-222b-4c67-8f40-0...
Depends On:
Blocks: CVE-2026-6477
TreeView+ depends on / blocked
 
Reported: 2026-06-03 19:50 UTC by Praise Ogwuche
Modified: 2026-07-24 01:29 UTC (History)
3 users (show)

Fixed In Version: postgresql16-16.14-1.fc45
Clone Of:
Environment:
Last Closed: 2026-07-23 22:11:19 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Praise Ogwuche 2026-06-03 19:50:23 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 2026-07-23 12:21:44 UTC 
FEDORA-2026-f8ee1fd482 (postgresql16-16.14-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f8ee1fd482
Comment 2 Fedora Update System 2026-07-23 14:39:17 UTC 
FEDORA-2026-5b2e6bf881 (postgresql16-16.14-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5b2e6bf881
Comment 3 Fedora Update System 2026-07-23 22:11:19 UTC 
FEDORA-2026-5b2e6bf881 (postgresql16-16.14-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.
Comment 4 Fedora Update System 2026-07-24 01:29:07 UTC 
FEDORA-2026-f8ee1fd482 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-f8ee1fd482`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f8ee1fd482

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