CVE-2026-121994

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-121

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-11-05: 111-05
Full discourse1 post
  • VulDB 🛡@vuldb

    ⚠️ The severity is increased for this new vulnerability affecting Red Hat Enterprise Linux (CVE-2026-121994) vuldb.​com/vuln/431524 https://t.co/fOmGkKt7XZ

    00000105
    2.3K followersView on X

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