Bug 2490299

Summary: CVE-2026-54387 tinyproxy: HTTP Request Smuggling via CL/TE desynchronization [fedora-all]
Product: [Fedora] Fedora Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: tinyproxyAssignee: Carl George 🤠 <carlwgeorge>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: urgent Docs Contact:
Priority: urgent    
Version: rawhideCC: Autumncapasso, carlwgeorge, madam
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["80cc4f26-cd43-4bb4-ab7c-9f4130d5cde9"]}
Fixed In Version: tinyproxy-1.11.3-4.fc45 tinyproxy-1.11.2-8.fc43 tinyproxy-1.11.2-8.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-06-27 00:56:25 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2490160    

Description Guilherme de Almeida Suckevicz 2026-06-18 12:49:04 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 2026-06-18 21:49:41 UTC
FEDORA-2026-efbe094630 (tinyproxy-1.11.2-8.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-efbe094630

Comment 2 Fedora Update System 2026-06-18 21:49:41 UTC
FEDORA-2026-77f1ca9c8f (tinyproxy-1.11.2-8.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-77f1ca9c8f

Comment 3 Fedora Update System 2026-06-19 01:40:33 UTC
FEDORA-2026-77f1ca9c8f 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-2026-77f1ca9c8f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-77f1ca9c8f

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

Comment 4 Fedora Update System 2026-06-19 19:02:05 UTC
FEDORA-2026-efbe094630 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-efbe094630`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-efbe094630

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

Comment 5 Fedora Update System 2026-06-27 00:56:25 UTC
FEDORA-2026-77f1ca9c8f (tinyproxy-1.11.2-8.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-06-27 01:11:29 UTC
FEDORA-2026-efbe094630 (tinyproxy-1.11.2-8.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.