Bug 2540150 - CVE-2026-84947 nodejs24: Undici: Response truncation and connection termination [fedora-all]
Summary: CVE-2026-84947 nodejs24: Undici: Response truncation and connection terminati...
Keywords:
Status: CLOSED RAWHIDE
Alias: None
Product: Fedora
Classification: Fedora
Component: nodejs24
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Jan Staněk
QA Contact:
URL:
Whiteboard: {"flaws": ["292a16f9-4ffe-4c60-a608-7...
Depends On:
Blocks: CVE-2026-84947
TreeView+ depends on / blocked
 
Reported: 2026-09-24 15:04 UTC by Ganesh
Modified: 2026-11-03 11:26 UTC (History)
3 users (show)

Fixed In Version: nodejs24-24.22.1
Clone Of:
Environment:
Last Closed: 2026-11-03 11:26:40 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Ganesh 2026-09-24 15:04:01 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.

undici's dump interceptor reads and discards a response body up to a configurable maximum size. When a response declares a Content-Length that exceeds the maximum, the interceptor aborts cleanly, but when a response has no Content-Length and is chunked, the interceptor instead signals completion early once the accumulated size reaches the maximum, without pausing or aborting the request. Because the underlying parser keeps delivering body bytes, a second completion signal fires and trips an internal assertion, which aborts the request and tears down the connection. The application is left observing a misleading successful status with an empty or truncated body while the connection has actually been disconnected. This affects undici versions from 7.1.0 up to 7.29.1 and from 8.0.0 up to 8.10.2. Users should upgrade to undici 7.29.1 or 8.10.2.

Comment 1 Fedora Update System 2026-10-15 11:52:02 UTC
FEDORA-2026-5ca956d465 (nodejs24-24.21.0-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5ca956d465

Comment 2 Fedora Update System 2026-10-16 20:57:57 UTC
FEDORA-2026-5ca956d465 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-2026-5ca956d465`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5ca956d465

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

Comment 3 Fedora Update System 2026-10-16 21:32:09 UTC
FEDORA-2026-cb979e22de has been pushed to the Fedora 45 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-cb979e22de`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-cb979e22de

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

Comment 4 Fedora Update System 2026-11-03 02:25:17 UTC
FEDORA-2026-d6c2df6970 has been pushed to the Fedora 45 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-d6c2df6970`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d6c2df6970

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

Comment 5 Fedora Update System 2026-11-03 02:57:20 UTC
FEDORA-2026-5c08945adb 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-2026-5c08945adb`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5c08945adb

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

Comment 6 Jan Staněk 2026-11-03 11:26:40 UTC
This vulnerability is fixed in the latest available release of nodejs24-24.22.1.


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