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CVE-2026-121995

CVSS 3.1
7.5 high
CISA KEV
Not listed
Technical details
Weakness
CWE-121
EPSS · 10 Nov 2026
0.29% · p22
Public resources
None found
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.

Description

A stack buffer overflow in the GDB client's tracepoint upload handler allows an attacker-controlled debug stub to corrupt stack memory automatically during connection setup. The overflow results from GDB reading beyond the current reply boundary into a stale prior reply in the shared packet buffer.

Exploits & detection

No public PoC or detection template found yet.

Timeline

  • Published: 05 Nov 2026
  • Last modified upstream: 09 Nov 2026

Sources & licenses

CVE / CVSS / CWE
NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
Exploitation
CISA KEV (CC0) · EPSS by FIRST.org
References used for the analysis
Analysis, summary and remediation
© VulnCrest

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