Bug 2497491 - CVE-2026-8925 curl: curl: Double-free vulnerability in SASL authentication [fedora-all]
Summary: CVE-2026-8925 curl: curl: Double-free vulnerability in SASL authentication [f...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: curl
Version: 45
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Jan Macku
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["32f2e0da-e532-4e0f-9ccd-6...
Depends On:
Blocks: CVE-2026-8925
TreeView+ depends on / blocked
 
Reported: 2026-07-06 20:34 UTC by Jon Moroney
Modified: 2026-09-23 03:19 UTC (History)
7 users (show)

Fixed In Version: curl-8.15.0-9.fc43
Clone Of:
Environment:
Last Closed: 2026-08-31 17:03:14 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Jon Moroney 2026-07-06 20:34:37 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 curl logic that works with SASL authentication could end up cleaning up
the GSASL context *twice* without clearing the pointer in between, making it
`free()` the same pointer twice.

Comment 1 Aoife Moloney 2026-08-17 15:14:57 UTC
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.

Comment 2 Fedora Update System 2026-08-25 08:52:25 UTC
FEDORA-2026-2f88b83676 (curl-8.18.0-9.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2f88b83676

Comment 3 Fedora Update System 2026-08-26 02:01:38 UTC
FEDORA-2026-2f88b83676 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-2026-2f88b83676`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-2f88b83676

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

Comment 4 Fedora Update System 2026-08-27 00:55:15 UTC
FEDORA-2026-2f88b83676 (curl-8.18.0-9.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-08-27 16:18:34 UTC
FEDORA-2026-f903f9ff11 (curl-8.15.0-9.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f903f9ff11

Comment 6 Fedora Update System 2026-08-28 01:37:04 UTC
FEDORA-2026-f903f9ff11 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-f903f9ff11`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f903f9ff11

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

Comment 7 Fedora Update System 2026-08-31 17:03:14 UTC
FEDORA-2026-f903f9ff11 (curl-8.15.0-9.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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