CVE catalog
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 later dereferenced, as the response-
- Severity
- Critical · CVSS 9.6
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.43% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | nasm | sid | 3.01-1 | vulnerable |
| Debian | nasm | forky | 3.01-1 | vulnerable |
| Debian | nasm | trixie | 2.16.03-1 | vulnerable |
| Debian | nasm | bookworm | 2.16.01-1 | vulnerable |
| Cpe | nasm | Not reported | Not reported | vulnerable |
| Cpe | netwide_assembler | Not reported | Not reported | unknown |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nasm | source | sid | (unfixed) | unimportant | Not reported | [1133376] |
| Debian | nasm | source | forky | (unfixed) | unimportant | Not reported | [1133376] |
| Debian | nasm | source | trixie | (unfixed) | unimportant | Not reported | [1133376] |
| Debian | nasm | source | bookworm | (unfixed) | unimportant | Not reported | [1133376] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [nasm]Affected
Details (2)
2.16.01-1· amd64 · bookwormAffected
nvd · nasm · debian · bookworm; nvd · nasm · debian · 12
2.16.01-1· arm64 · bookwormAffected
nvd · nasm · debian · bookworm; nvd · nasm · debian · 12
[Debian 13 (Trixie)]
- [nasm]Affected
Details (2)
2.16.03-1· amd64 · trixieAffected
nvd · nasm · debian · 13
2.16.03-1· arm64 · trixieAffected
nvd · nasm · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11217-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-6068]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-6068]
- [https://security-tracker.debian.org/tracker/CVE-2026-6068]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6068.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]