Bug 2453957 (CVE-2026-34874) - CVE-2026-34874 mbedtls: NULL pointer dereference when setting a distinguished name
Summary: CVE-2026-34874 mbedtls: NULL pointer dereference when setting a distinguished...
Keywords:
Status: NEW
Alias: CVE-2026-34874
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2454045 2454047
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-01 19:01 UTC by OSIDB Bzimport
Modified: 2026-04-01 20:24 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Last Closed:
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Description OSIDB Bzimport 2026-04-01 19:01:52 UTC 
An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0.
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