Bug 2426630

Summary:	CVE-2025-11961 libpcap: libpcap: Memory corruption via malformed MAC-48 address input [fedora-42]
Product:	[Fedora] Fedora	Reporter:	Sandipan Roy <saroy>
Component:	libpcap	Assignee:	Michal Ruprich <mruprich>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	low	Docs Contact:
Priority:	low
Version:	42	CC:	fhrdina, luhliari, mruprich, msekleta, thozza
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["dd657af6-e195-49e0-8675-196ca740ba4c"]}
Fixed In Version:	libpcap-1.10.6-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-01-07 00:50:41 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:	2426396

Description Sandipan Roy 2026-01-01 11:56:55 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Fedora Update System 2026-01-05 15:12:34 UTC

FEDORA-2026-274010c760 (libpcap-1.10.6-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-274010c760

Comment 2 Fedora Update System 2026-01-05 15:12:41 UTC

FEDORA-2026-1e3425e7ea (libpcap-1.10.6-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1e3425e7ea

Comment 3 Fedora Update System 2026-01-06 01:33:35 UTC

FEDORA-2026-1e3425e7ea 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-2026-1e3425e7ea`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1e3425e7ea

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

Comment 4 Fedora Update System 2026-01-06 01:53:58 UTC

FEDORA-2026-274010c760 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-2026-274010c760`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-274010c760

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

Comment 5 Fedora Update System 2026-01-07 00:50:41 UTC

FEDORA-2026-274010c760 (libpcap-1.10.6-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.