Bug 2463465 (CVE-2026-5435) - CVE-2026-5435 glibc: glibc: Out-of-bounds write via TSIG record processing
Summary: CVE-2026-5435 glibc: glibc: Out-of-bounds write via TSIG record processing
Keywords:
Status: NEW
Alias: CVE-2026-5435
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-28 14:02 UTC by OSIDB Bzimport
Modified: 2026-04-28 14:52 UTC (History)
7 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-04-28 14:02:07 UTC 
The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail to enforce the caller-supplied buffer length, and can result in an out-of-bounds write when printing TSIG records.
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