by Kastro
Paper/Archive/CVE-2026-6068

CVE-2026-6068

NASM NASM — CVE-2026-6068

EPSS 0.4%public exploitCVSS 9.6
critical.is priorityof 100
46
CVSS 9.6 (NVD)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 36.9.369 × 207.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
NASMnasm-3.02rc5–CNA

Scores by source

NVD9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADP6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

refgithub.com/netwide-assembler/nasm/issues/222refsekai.team/blog/nasm-cve-disclosure/cve-2026-6068