VulnSocial

CVE-2026-6068Disclosure(nasm / netwide_assembler)

LOWCVSS 9.6 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global depend_file and later dereferenced, as the response-file buffer is freed before the pointer is used, allowing for data corruption or remote code execution.

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1.5/ 10 priority

Sources & remediation

Exploit / PoC references
Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • netwide_assembler

Threat summary

  • Public PoC is present in monitored signal
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-04-11); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
nasm
Products
netwide_assembler

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-11: 1Mentions · 2026-05-20: 1PoC Mentioned / Linked · 2026-05-20: 1Technical Details · 2026-04-11: 1Technical Details · 2026-05-20: 104-1105-20
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Project Sekai CTF@ProjectSEKAIctf
    Disclosure

    We’re releasing write-up for CVE-2026-6068 — a vulnerability in NASM that can be exploited from heap UAF to persistent RCE. Excellent research from our teammate. Check it out: https://sekai.team/blog/nasm-cve-disclosure/cve-2026-6068 https://t.co/ADhzzDFHaB

    Post summary

    The tweet announces a write‑up for CVE‑2026‑6068, a heap UAF in NASM that can be abused for persistent RCE, and provides a link to the full disclosure.

    03311987613.6K
    7.5K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-6068 NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global depend_file and late… https://www.cve.org/CVERecord?id=CVE-2026-6068

    Post summary

    The post describes a heap use-after-free flaw in NASM’s -@ response file parsing, highlighting a dangling pointer in depend_file, but offers no PoC, exploit, or patch details.

    00010170
    57.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appnasmnetwide_assembler3.02--

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