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CVE-2021-46480

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

Jsish v3.5.0 was discovered to contain a heap buffer overflow via jsiValueObjDelete in src/jsiEval.c. This vulnerability can lead to a Denial of Service (DoS).

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/pcmacdon/jsish/issues/61Exploit, Patch, Third Party Advisory
https://github.com/pcmacdon/jsish/issues/61Exploit, Patch, Third Party Advisory

Timeline

Published: Jan 25, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-464815.5Jsish v3.5.0 was discovered to contain a memory leak via linenoise at src/linenoise.c.CVE-2021-464827.8Jsish v3.5.0 was discovered to contain a heap buffer overflow via NumberConstructor at src/jsiNumber.c.CVE-2021-464837.8Jsish v3.5.0 was discovered to contain a heap buffer overflow via BooleanConstructor at src/jsiBool.c.CVE-2021-464845.5Jsish v3.5.0 was discovered to contain a heap-use-after-free via Jsi_IncrRefCount in src/jsiValue.c. This vulnerability can lead to a Denial CVE-2021-464855.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via Jsi_ValueIsNumber at src/jsiValue.c. This vulnerability can lead to a Denial CVE-2021-464865.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via jsi_ArraySpliceCmd at src/jsiArray.c. This vulnerability can lead to a Denia CVE-2021-464875.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x18e506. This vulnerability can lead to a D CVE-2021-464885.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via jsi_ArrayConcatCmd at src/jsiArray.c. This vulnerability can lead to a Denia CVE-2021-464895.5Jsish v3.5.0 was discovered to contain a heap-use-after-free via Jsi_DecrRefCount in src/jsiValue.c. This vulnerability can lead to a Denial CVE-2021-464905.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via NumberConstructor at src/jsiNumber.c. This vulnerability can lead to a Denia CVE-2021-464915.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via Jsi_CommandPkgOpts at src/jsiCmds.c. This vulnerability can lead to a Denial CVE-2021-464925.5Jsish v3.5.0 was discovered to contain a SEGV vulnerability via Jsi_FunctionInvoke at src/jsiFunc.c. This vulnerability can lead to a Denial