VulnerabilityModified
CVE-2021-42863
A buffer overflow in ecma_builtin_typedarray_prototype_filter() in JerryScript version fe3a5c0 allows an attacker to construct a fake object or a fake arraybuffer with unlimited size.
CRITICAL 9.8EPSS 1.70%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A buffer overflow in ecma_builtin_typedarray_prototype_filter() in JerryScript version fe3a5c0 allows an attacker to construct a fake object or a fake arraybuffer with unlimited size.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.70% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- jerryscript/jerryscript
- Source
- cve@mitre.org
References
- https://github.com/jerryscript-project/jerryscript/issues/4793Exploit, Patch, Third Party Advisory
- https://github.com/jerryscript-project/jerryscript/pull/4794Patch, Third Party Advisory
- https://github.com/jerryscript-project/jerryscript/issues/4793Exploit, Patch, Third Party Advisory
- https://github.com/jerryscript-project/jerryscript/pull/4794Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.