CVE-2026-6068

9.6 criticalEPSS 0.4%

Critical (9.6) in nasm netwide assembler. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.6 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2026-04-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nasm:netwide_assembler

References

https://github.com/netwide-assembler/nasm/issues/222
https://sekai.team/blog/nasm-cve-disclosure/cve-2026-6068

Check your stack JSON