CVE-2025-8844
NASM Netwide Assember preproc.c parse_smacro_template null pointer dereference
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 11, 2025
- Updated
- Aug 11, 2025
- Reserved
- Aug 10, 2025
Description
A vulnerability was determined in NASM Netwide Assember 2.17rc0. This vulnerability affects the function parse_smacro_template of the file preproc.c. The manipulation leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Netwide AssemberNASM |
|
References
- VDB-319378 | NASM Netwide Assember preproc.c parse_smacro_template null pointer dereferencevdb-entrytechnical-description
- VDB-319378 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #623187 | nasm NASM version 2.17rc0 compiled on Jul 20 2025 and the newest master (888d9ab) Memory Corruptionthird-party-advisory
- Submit #623196 | nasm NASM version 2.17rc0 compiled on Jul 20 2025 and the newest master (888d9ab) Memory Corruption (Duplicate)third-party-advisory
- Submit #623198 | nasm NASM version 2.17rc0 compiled on Jul 20 2025 and the newest master (888d9ab) Memory Corruption (Duplicate)third-party-advisory
- https://bugzilla.nasm.us/show_bug.cgi?id=3392936issue-tracking
- https://drive.google.com/file/d/10TSdMErFTBtLFIwfh_fia635cmtmFuei/view?usp=drive_linkexploit
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