CVE-2026-121997
8.1 HIGHPublished 2026-11-05 · Updated 2026-11-06
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
A heap buffer overflow in gdbserver's QTDPsrc packet handler allows an unauthenticated remote attacker to achieve native code execution in the gdbserver process. The vulnerability results from a mismatch between a packet's declared source length and the actual data length, causing hex2bin to write beyond the allocated heap buffer.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-122
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- CRITICALCVE-2016-15059PoC
- CRITICALCVE-2017-20241
- LOWCVE-2025-1218PoC
- MEDIUMCVE-2025-60480PoC
- MEDIUMCVE-2025-60490PoC
- HIGHCVE-2025-71436PoC
- HIGHCVE-2026-100201
- HIGHCVE-2026-100203
Related by shared AI tags and CWE weakness class. Browse the full archive.