Bug 2441332

Summary:	CVE-2026-21620 erlang: Erlang OTP tftp_file modules: Information disclosure via relative path traversal [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Vipul Nair <vinair>
Component:	erlang	Assignee:	Peter Lemenkov <lemenkov>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	43	CC:	jonathan, lemenkov, rhbugs, rjones
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["10079133-6b83-44d6-b4c2-1c7ccfa637d5"]}
Fixed In Version:	erlang-26.2.5.17-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-03-03 01:09:03 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:	2441326

Description Vipul Nair 2026-02-20 13:29:50 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 2026-02-22 15:14:00 UTC

FEDORA-2026-8a15e7a423 (erlang-26.2.5.17-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-8a15e7a423

Comment 2 Fedora Update System 2026-02-23 01:41:02 UTC

FEDORA-2026-8a15e7a423 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-2026-8a15e7a423`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-8a15e7a423

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

Comment 3 Fedora Update System 2026-03-03 01:09:03 UTC

FEDORA-2026-8a15e7a423 (erlang-26.2.5.17-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.