Bug 2456467 - CVE-2026-28390 openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing [fedora-43]
Summary: CVE-2026-28390 openssl: OpenSSL: Denial of Service due to NULL pointer derefe...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: openssl
Version: 43
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Dmitry Belyavskiy
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["b5e373d5-c5e4-40c1-8c22-a...
Depends On:
Blocks: CVE-2026-28390
TreeView+ depends on / blocked
 
Reported: 2026-04-08 09:39 UTC by Vipul Nair
Modified: 2026-04-28 00:59 UTC (History)
8 users (show)

Fixed In Version: openssl-3.5.4-3.fc43
Clone Of:
Environment:
Last Closed: 2026-04-28 00:59:22 UTC
Type: ---
Embargoed:
fedora-admin-xmlrpc: mirror+

Attachments (Terms of Use)

Description Vipul Nair 2026-04-08 09:39:30 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 2026-04-21 08:52:11 UTC 
FEDORA-2026-47fffff581 (openssl-3.5.4-3.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-47fffff581
Comment 2 Fedora Update System 2026-04-23 02:00:09 UTC 
FEDORA-2026-47fffff581 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-2026-47fffff581`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-47fffff581

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 3 Fedora Update System 2026-04-28 00:59:22 UTC 
FEDORA-2026-47fffff581 (openssl-3.5.4-3.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.
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