Bug 2450236 - CVE-2026-4437 glibc: glibc: Incorrect DNS response parsing via crafted DNS server response [fedora-43]
Summary: CVE-2026-4437 glibc: glibc: Incorrect DNS response parsing via crafted DNS se...
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: glibc
Version: 43
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Carlos O'Donell
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["19e0c09c-d489-45af-8efe-2...
Depends On:
Blocks: CVE-2026-4437
TreeView+ depends on / blocked
 
Reported: 2026-03-23 06:56 UTC by Sandipan Roy
Modified: 2026-04-17 13:41 UTC (History)
14 users (show)

Fixed In Version: glibc-2.42-11.fc43
Clone Of:
Environment:
Last Closed: 2026-04-17 13:41:55 UTC
Type: ---
Embargoed:

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Description Sandipan Roy 2026-03-23 06:56:22 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 Carlos O'Donell 2026-04-17 13:41:55 UTC 
Fixed in glibc-2.42-11.fc43
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d13513697d
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