Bug 2423794

Summary:	CVE-2025-34451 proxychains-ng: proxychains-ng: Denial of Service due to stack-based buffer overflow via crafted proxy configuration [epel-8]
Product:	[Fedora] Fedora EPEL	Reporter:	Sandipan Roy <saroy>
Component:	proxychains-ng	Assignee:	Michel Lind <michel>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	epel8	CC:	epel-packagers-sig, michel, mtasaka, pablo, pranav913
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["becdfdcd-00db-4ec3-9d82-19fe10acae4a"]}
Fixed In Version:	proxychains-ng-4.17-8.el10_2 proxychains-ng-4.17-8.el9 proxychains-ng-4.17-8.el10_1 proxychains-ng-4.17-8.fc42 proxychains-ng-4.17-8.el8 proxychains-ng-4.17-8.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-01-06 00:24:29 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:	2423732

Description Sandipan Roy 2025-12-19 06:48:42 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 2025-12-29 17:29:50 UTC

FEDORA-EPEL-2025-5f8348d5e7 has been pushed to the Fedora EPEL 10.1 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2025-5f8348d5e7

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

Comment 2 Fedora Update System 2025-12-29 17:35:37 UTC

FEDORA-EPEL-2025-28671c1b38 has been pushed to the Fedora EPEL 8 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2025-28671c1b38

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

Comment 3 Fedora Update System 2025-12-29 18:07:57 UTC

FEDORA-2025-58fe871812 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-2025-58fe871812`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-58fe871812

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

Comment 4 Fedora Update System 2025-12-29 18:27:28 UTC

FEDORA-2025-ec760de8e2 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-2025-ec760de8e2`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-ec760de8e2

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

Comment 5 Fedora Update System 2026-01-06 00:24:29 UTC

FEDORA-EPEL-2025-9fd7d5482b (proxychains-ng-4.17-8.el10_2) has been pushed to the Fedora EPEL 10.2 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-01-06 00:38:34 UTC

FEDORA-EPEL-2025-ea289f4852 (proxychains-ng-4.17-8.el9) has been pushed to the Fedora EPEL 9 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 7 Fedora Update System 2026-01-06 00:49:46 UTC

FEDORA-EPEL-2025-5f8348d5e7 (proxychains-ng-4.17-8.el10_1) has been pushed to the Fedora EPEL 10.1 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-01-06 00:52:18 UTC

FEDORA-2025-ec760de8e2 (proxychains-ng-4.17-8.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-01-06 00:58:29 UTC

FEDORA-EPEL-2025-28671c1b38 (proxychains-ng-4.17-8.el8) has been pushed to the Fedora EPEL 8 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-01-06 01:12:00 UTC

FEDORA-2025-58fe871812 (proxychains-ng-4.17-8.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.