Bug 2457812

Summary:	CVE-2026-40194 php-phpseclib3: phpseclib: Information disclosure via timing attack in SSH HMAC comparison [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Keith Grant <kgrant>
Component:	php-phpseclib3	Assignee:	Artur Frenszek-Iwicki <fedora>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	45	CC:	fedora
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["1d846c8e-7569-4e91-9afb-422d9be4b8bb"]}
Fixed In Version:	php-phpseclib3-3.0.56-1.fc43 php-phpseclib3-3.0.56-1.fc44	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-08-21 04:50:54 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:	2457470

Description Keith Grant 2026-04-13 12:19:53 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 2026-08-12 11:05:31 UTC

FEDORA-2026-d2d58edf7d (php-phpseclib3-3.0.56-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d2d58edf7d

Comment 2 Fedora Update System 2026-08-12 11:15:24 UTC

FEDORA-2026-67f1cac6df (php-phpseclib3-3.0.56-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-67f1cac6df

Comment 3 Fedora Update System 2026-08-13 01:47:26 UTC

FEDORA-2026-d2d58edf7d 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-d2d58edf7d`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d2d58edf7d

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

Comment 4 Fedora Update System 2026-08-13 02:10:52 UTC

FEDORA-2026-67f1cac6df 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-2026-67f1cac6df`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-67f1cac6df

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

Comment 5 Aoife Moloney 2026-08-17 14:32:00 UTC

This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.

Comment 6 Fedora Update System 2026-08-21 04:50:54 UTC

FEDORA-2026-67f1cac6df (php-phpseclib3-3.0.56-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 7 Fedora Update System 2026-08-21 05:18:35 UTC

FEDORA-2026-d2d58edf7d (php-phpseclib3-3.0.56-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.