HIGH 8.8 NVD
CVE-2026-121994
A stack buffer overflow in the GDB client's remote protocol handler allows an attacker-controlled debug target to execute arbitrary code in the GDB process. The
A stack buffer overflow in the GDB client's remote protocol handler allows an attacker-controlled debug target to execute arbitrary code in the GDB process. The vulnerability exists in fetch_register_using_p, which decodes a stub's register reply into an alloca-sized buffer without bounding writes by the register width.
References
- https://access.redhat.com/security/cve/CVE-2026-121994
- https://bugzilla.redhat.com/show_bug.cgi?id=2565676
This high severity vulnerability with a CVSS score of 8.8 was published on 2026-11-05 via NVD.
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