Jsish v3.5.0 was discovered to contain a stack overflow via Jsi_LogMsg at src/jsiUtils.c.
Priority LOW 26CWE-674Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-674.
Summary
Jsish v3.5.0 was discovered to contain a stack overflow via Jsi_LogMsg at src/jsiUtils.c.
Why it matters now
EPSS 0.00607 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46507
- 2026-10-03 Alias added: GHSA-6mww-ch69-p82p
References
More Jsish vulnerabilities
- TI-2025-40399 A type confusion in jsish 2.0 allows incorrect control flow during execution of the… CVSS 3.1CRITICAL 9.8
- TI-2024-16031 Jsish v3.5.0 (commit 42c694c) was discovered to contain a stack-overflow via the… CVSS 3.1CRITICAL 9.8
- TI-2024-16033 Jsish v3.5.0 (commit 42c694c) was discovered to contain a use-after-free via the SplitChar at ./src/jsiUtils.c. CVSS 3.1CRITICAL 9.8
- TI-2020-14504 An issue found in Jsish v.3.0.11 and before allows an attacker to cause a denial of… CVSS 3.1HIGH 7.5
- TI-2024-16032 Jsish v3.5.0 was discovered to contain a heap-buffer-overflow in ./src/jsiUtils.c. CVSS 3.1CRITICAL 9.8
- TI-2020-14415 Integer overflow vulnerability in function Jsi_ObjSetLength in jsish before 3.0.6, allows… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-46507 · CVE Program
- CVE-2021-46507 · NVD
- FIRST EPSS
- GHSA-6mww-ch69-p82p · GitHub Advisory Database · CC BY 4.0
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