multimon-ng demod_flex.c add_ch format string
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| unspecified | multimon-ng | all versions | — | No fix listed | CNA |
- multimon-ng Vendorunspecified Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:multimon-ng_project:multimon-ng:*:*:*:*:*:*:*:* | before 1.2.0 | Vulnerable | Multimon-ng Project |
- cpe:2.3:a:multimon-ng_project:multimon-ng:*:*:*:*:*:*:*:* Versions before 1.2.0 Vulnerable ·Multimon-ng Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36619
- 2026-10-03 Alias added: GHSA-7838-j28v-c2rp
References
Sources
- CVE-2020-36619 · CVE Program
- CVE-2020-36619 · NVD
- FIRST EPSS
- GHSA-7838-j28v-c2rp · GitHub Advisory Database · CC BY 4.0
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