CVE-2021-46511

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

There is an Assertion `m->len >= sizeof(v)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.

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

CWE-617

Affected software

No affected versions have been published.

Timeline

Published
Jan 27, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-465125.5Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_apply at src/mjs_exec.c. This vulnerability can lead to a Denial CVE-2021-465137.8Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via mjs_mk_string at mjs/src/mjs_string.c.CVE-2021-465145.5There is an Assertion 'ppos != NULL && mjs_is_number(*ppos)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.CVE-2021-465155.5There is an Assertion `mjs_stack_size(&mjs->scopes) >= scopes_len' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.CVE-2021-465165.5Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_stack_size at mjs/src/mjs_core.c. This vulnerability can lead to CVE-2021-465175.5There is an Assertion `mjs_stack_size(&mjs->scopes) > 0' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.CVE-2021-465187.8Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_disown at src/mjs_core.c.CVE-2021-465197.8Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_array_length at src/mjs_array.c.CVE-2021-465207.8Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_jprintf at src/mjs_util.c.CVE-2021-465217.8Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via c_vsnprintf at mjs/src/common/str_util.c.CVE-2021-465227.8Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via /usr/lib/x86_64-linux-gnu/libasan.so.4+0xaff53.CVE-2021-465237.8Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via to_json_or_debug at mjs/src/mjs_json.c.
CVE-2021-46511: Medium severity, CVSS 5.5 | Vulnix