Bug 2405997 - CVE-2025-12105 libsoup3: Heap Use-After-Free in libsoup message queue handling during HTTP/2 read completion [fedora-42]
Summary: CVE-2025-12105 libsoup3: Heap Use-After-Free in libsoup message queue handlin...
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: libsoup3
Version: 42
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Gwyn Ciesla
QA Contact:
URL:
Whiteboard: {"flaws": ["e9981d05-986a-46e3-9309-6...
Depends On:
Blocks: CVE-2025-12105
TreeView+ depends on / blocked
 
Reported: 2025-10-23 08:52 UTC by Abhishek Raj
Modified: 2026-03-19 13:54 UTC (History)
3 users (show)

Fixed In Version: libsoup3-3.6.6-2.fc42
Clone Of:
Environment:
Last Closed: 2026-03-19 13:54:05 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
GNOME Gitlab GNOME libsoup merge_requests 481 0 None merged (CVE-2025-12105) fix 'heap-use-after-free' caused by 'finishing' queue item twice 2026-03-19 13:54:05 UTC

Description Abhishek Raj 2025-10-23 08:52:35 UTC 
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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 Milan Crha 2026-03-19 13:54:05 UTC 
An upstream fix for this landed for 3.6.6 through https://gitlab.gnome.org/GNOME/libsoup/-/commit/794e089abe8a58486970a4646aae99b2f03b808e , which is a cherry-pick from the https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/481
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