CVE-2023-38667
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial...
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
- Record
CVE-2023-38667- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
- Record
CVE-2023-38667- Updated
- 2026-11-02
EUVDEUVD-2023-42465 No score
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
- Record
EUVD-2023-42465- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w79x-2j59-hh47
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial...
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
- Record
GHSA-w79x-2j59-hh47- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-38667
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
- Record
DEBIAN-CVE-2023-38667- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-38667
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
- Record
UBUNTU-CVE-2023-38667- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV No score
Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.
- Record
CVE-2023-38667- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nasmDebian:12 |
All versions, plus listed versions 2.16.01-12.16.03-13.01-1 |
None known |
nasmDebian:13 |
All versions, plus listed versions 2.16.03-13.01-1 |
None known |
nasmDebian:14 |
All versions, plus listed versions 2.16.03-13.01-1 |
None known |
nasmUbuntu:16.04:LTS |
All versions, plus listed versions 2.11.06-1really2.11.05-12.11.08-12.11.08-1ubuntu0.1 |
None known |
nasmUbuntu:18.04:LTS |
All versions, plus listed versions 2.13.01-22.13.02-0.1 |
None known |
nasmUbuntu:20.04:LTS |
All versions, plus listed versions 2.14.02-1 |
None known |
nasmUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 2.15.05-12.15.05-1ubuntu0.1~esm12.15.05-1ubuntu0.1~esm2 |
None known |
nasmUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 2.16.01-12.16.01-1build12.16.01-1ubuntu0.1~esm12.16.01-1ubuntu0.1~esm2 |
None known |
nasmUbuntu:25.10 |
All versions, plus listed versions 2.16.03-1 |
None known |
nasmUbuntu:26.10 |
All versions, plus listed versions 3.01-1 |
None known |
nasmUbuntu:26.04:LTS |
All versions, plus listed versions 2.16.03-13.01-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-38667 is a medium vulnerability (CVSS 5.5) in Nasm Netwide Assembler, published August 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.
References
bugzilla.nasm.us/show_bug.cgi?id=3392812
nvd.nist.gov/vuln/detail/CVE-2023-38667
github.com/advisories/GHSA-w79x-2j59-hh47
security-tracker.debian.org/tracker/CVE-2023-38667
ubuntu.com/security/CVE-2023-38667
cve.org/CVERecord?id=CVE-2023-38667