Bug 2427895 - CVE-2025-12543 resteasy: Undertow HTTP Server Fails to Reject Malformed Host Headers Leading to Potential Cache Poisoning and SSRF [fedora-43]
Summary: CVE-2025-12543 resteasy: Undertow HTTP Server Fails to Reject Malformed Host ...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: resteasy
Version: 43
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Endi Sukma Dewata
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["3d485e40-cb75-420e-b979-3...
Depends On:
Blocks: CVE-2025-12543
TreeView+ depends on / blocked
 
Reported: 2026-01-08 11:50 UTC by Abhishek Raj
Modified: 2026-01-08 11:50 UTC (History)
6 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Abhishek Raj 2026-01-08 11:50:44 UTC 
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https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
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