CVE-2023-30402
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm...
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
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
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
- Record
CVE-2023-30402- 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-787
- Updated
- 2026-11-02
CVE List No score
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
- Record
CVE-2023-30402- Updated
- 2026-11-02
EUVDEUVD-2023-34822 No score
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
- Record
EUVD-2023-34822- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vfgv-q9rw-8wc7
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm...
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re.
- Record
GHSA-vfgv-q9rw-8wc7- 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-787
- Updated
- 2026-11-02
OSVAZL-26359
CVE-2023-30402 affecting package yasm 1.3.0-17
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
- Record
AZL-26359- 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
OSVAZL-35379
CVE-2023-30402 affecting package yasm 1.3.0-17
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
- Record
AZL-35379- 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
- 2026-11-05
OSVDEBIAN-CVE-2023-30402
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
- Record
DEBIAN-CVE-2023-30402- 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
YASM v1.3.0 was discovered to contain a heap overflow via the function handle_dot_label at /nasm/nasm-token.re. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.
- Record
CVE-2023-30402- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
yasmAzure Linux:2 |
through 1.3.0-17 | None known |
yasmAzure Linux:3 |
through 1.3.0-17 | None known |
yasmDebian:12 |
All versions, plus listed versions 1.3.0-41.3.0-51.3.0-61.3.0-71.3.0-8 |
None known |
yasmDebian:13 |
All versions, plus listed versions 1.3.0-71.3.0-8 |
None known |
yasmDebian:14 |
All versions, plus listed versions 1.3.0-71.3.0-8 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| 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-2023-30402 is a medium vulnerability (CVSS 5.5) in Yasm Project Yasm, published April 25, 2023. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile.