HIGHCVSS v3.1 8.2Vulnerability
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 process and cause a denial of service. Disclosed heap content includes addresses suitable for defeating ASLR in further exploitation.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-05T18:05:53.357748+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.2
- Retrieved at
- 2026-11-05T18:06:50+00:00
- Score
- 8.2
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121996
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- First seen by Signal
- 2026-11-05T18:02:03+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Published at
- 2026-11-05T17:18:00.870
- Last modified
- 2026-11-05T17:18:01.010
Related Entities (1)
HAS_WEAKNESS (1)
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