Bug 2421323 - CVE-2025-59391 libcoap: libcoap: Out-of-bounds read in OSCORE configuration parser leads to information disclosure [fedora-43]
Summary: CVE-2025-59391 libcoap: libcoap: Out-of-bounds read in OSCORE configuration p...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: libcoap
Version: 43
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Peter Robinson
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["50478ae8-218e-420d-b5af-e...
Depends On:
Blocks: CVE-2025-59391
TreeView+ depends on / blocked
 
Reported: 2025-12-11 05:13 UTC by Sandipan Roy
Modified: 2026-04-28 01:31 UTC (History)
1 user (show)

Fixed In Version: libcoap-4.3.5b-1.fc43 libcoap-4.3.5b-1.fc42 libcoap-4.3.5b-1.fc44
Clone Of:
Environment:
Last Closed: 2026-04-28 00:56:58 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Sandipan Roy 2025-12-11 05:13:18 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 following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Fedora Update System 2026-04-17 10:02:41 UTC
FEDORA-2026-0ce923a09d (libcoap-4.3.5b-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0ce923a09d

Comment 2 Fedora Update System 2026-04-17 10:02:51 UTC
FEDORA-2026-a8ee24f019 (libcoap-4.3.5b-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-a8ee24f019

Comment 3 Fedora Update System 2026-04-17 10:03:00 UTC
FEDORA-2026-148e35657a (libcoap-4.3.5b-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-148e35657a

Comment 4 Fedora Update System 2026-04-18 01:31:54 UTC
FEDORA-2026-148e35657a 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-2026-148e35657a`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-148e35657a

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

Comment 5 Fedora Update System 2026-04-18 01:53:02 UTC
FEDORA-2026-a8ee24f019 has been pushed to the Fedora 42 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-a8ee24f019`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-a8ee24f019

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

Comment 6 Fedora Update System 2026-04-18 02:17:32 UTC
FEDORA-2026-0ce923a09d 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-2026-0ce923a09d`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0ce923a09d

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

Comment 7 Fedora Update System 2026-04-28 00:56:58 UTC
FEDORA-2026-0ce923a09d (libcoap-4.3.5b-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 8 Fedora Update System 2026-04-28 01:13:00 UTC
FEDORA-2026-a8ee24f019 (libcoap-4.3.5b-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-04-28 01:31:01 UTC
FEDORA-2026-148e35657a (libcoap-4.3.5b-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.


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