CVE-2021-42863 is a critical buffer overflow vulnerability in the ecma_builtin_typedarray_prototype_filter() function of JerryScript version fe3a5c0. This flaw allows an unauthenticated remote attacker to construct fake objects or arraybuffers of arbitrary size. With a CVSS score of 9.8, this vulnerability poses a severe risk, enabling high impact to confidentiality, integrity, and availability. There is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2021-10-15CPE matchmatch criteria | cpe:2.3:a:jerryscript:jerryscript:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.