Vulnerability · Published Apr 7, 2022 · Assigned by mitre

CVE-2021-43453

Critical 9.8

In plain English

A critical-severity security flaw in the iotjs package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.3%top 30.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A Heap-based Buffer Overflow vulnerability exists in JerryScript 2.4.0 and prior versions via an out-of-bounds read in parser_parse_for_statement_start in the js-parser-statm.c file. This issue is similar to CVE-2020-29657.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSiotjsno fix listedUBUNTU-CVE-2021-43453

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References