Buffer overflow in Jerryscript

CVE-2023-31908

Jerryscript 3.0 (commit 05dbbd1) was discovered to contain a heap-buffer-overflow via the component ecma_builtin_typedarray_prototype_sort.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Jerryscript — versions 3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

EJueon/EJueon

References

cve@mitre.org (Exploit, Patch, Issue Tracking)

Frequently asked questions

What is CVE-2023-31908?: CVE-2023-31908 is a high-severity vulnerability in Jerryscript, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-05-10.
How severe is CVE-2023-31908?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-31908 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.