CVE-2021-46477
Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src...
CVE-2021-46477 is a medium vulnerability (CVSS 5.5) in Jsish, published January 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. No source names a fixed version.
- Severity
- 5.5 MediumCVSS 3.1, NVD
- Exploit chance
- 0.69%EPSS, 53rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).
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
Affected products
What each source reports
NVD Score used
Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).
- Record
CVE-2021-46477- 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 - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE ListNo score
Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).
- Record
CVE-2021-46477- Updated
- 2026-11-02
EUVDEUVD-2021-33153No score
Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).
- Record
EUVD-2021-33153- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wv49-q2r3-4933No score
Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src...
Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).
- Record
GHSA-wv49-q2r3-4933- Weakness
- CWE-787
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.