Bug 2366424

Summary: CVE-2025-4638 zsync: Improper Pointer Arithmetic in pcl [fedora-41]
Product: [Fedora] Fedora Reporter: Avinash Hanwate <ahanwate>
Component: zsyncAssignee: Tobi <t-fedora>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: 41CC: t-fedora
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["ddd8b347-24b4-435f-801a-403d892f961e"]}
Fixed In Version: zsync-0.6.2-3.fc41 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2025-05-23 03:56:46 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2366317    

Description Avinash Hanwate 2025-05-15 06:11:06 UTC
More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2366317

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 2025-05-15 18:42:32 UTC
FEDORA-2025-8365ba2261 (zsync-0.6.2-3.fc41) has been submitted as an update to Fedora 41.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-8365ba2261

Comment 2 Fedora Update System 2025-05-16 01:36:30 UTC
FEDORA-2025-8365ba2261 has been pushed to the Fedora 41 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-8365ba2261`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-8365ba2261

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

Comment 3 Fedora Update System 2025-05-23 03:56:46 UTC
FEDORA-2025-8365ba2261 (zsync-0.6.2-3.fc41) has been pushed to the Fedora 41 stable repository.
If problem still persists, please make note of it in this bug report.