Bug 2449637

Summary:	CVE-2026-32935 php-phpseclib3: phpseclib: Information disclosure via padding oracle timing attack when using AES in CBC mode [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Vipul Nair <vinair>
Component:	php-phpseclib3	Assignee:	Artur Frenszek-Iwicki <fedora>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	43	CC:	fedora
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["e3547688-278f-4735-a396-3a75de24a153"]}
Fixed In Version:	php-phpseclib3-3.0.50-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-03-30 00:53:46 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:	2449428

Description Vipul Nair 2026-03-20 15:08:15 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 2026-03-21 17:07:25 UTC

FEDORA-2026-b7d9416ec4 (php-phpseclib3-3.0.50-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-b7d9416ec4

Comment 2 Fedora Update System 2026-03-22 01:55:16 UTC

FEDORA-2026-b7d9416ec4 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-b7d9416ec4`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b7d9416ec4

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

Comment 3 Fedora Update System 2026-03-30 00:53:46 UTC

FEDORA-2026-b7d9416ec4 (php-phpseclib3-3.0.50-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.