HIGH 8.2 NVD
CVE-2026-121996
A length validation flaw in gdbserver's agent-expression parser allows an unauthenticated remote attacker to read uninitialized heap memory from the gdbserver p
A length validation flaw in gdbserver's agent-expression parser allows an unauthenticated remote attacker to read uninitialized heap memory from the gdbserver process and cause a denial of service. Disclosed heap content includes addresses suitable for defeating ASLR in further exploitation.
References
- https://access.redhat.com/security/cve/CVE-2026-121996
- https://bugzilla.redhat.com/show_bug.cgi?id=2565678
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-11-05 via NVD.
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