Bug 2509821 - CVE-2026-40467 gawk: gawk: Denial of Service due to Use After Free vulnerability in io.c [fedora-all]
Summary: CVE-2026-40467 gawk: gawk: Denial of Service due to Use After Free vulnerabil...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: gawk
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Jakub Martisko
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["6bec8fb1-5d7b-4fe0-a6f8-2...
Depends On:
Blocks: CVE-2026-40467
TreeView+ depends on / blocked
 
Reported: 2026-07-31 16:46 UTC by Srikanth Balasubramanian
Modified: 2026-07-31 16:46 UTC (History)
3 users (show)

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

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Description Srikanth Balasubramanian 2026-07-31 16:46:32 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.

Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5.4.0 and below.
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