CVE-2024-33259: Jerryscript · Uncontrolled Resource Consumption
Source CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 Apr 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
To mitigate CVE-2024-33259, organizations should monitor for official patches or updates from the Jerryscript maintainers and apply them promptly once available. Until patches are released, limiting local access to devices running Jerryscript is critical to reduce exploitation risk. Employ strict access controls and user authentication to prevent unauthorized local interactions. Additionally, implement runtime monitoring to detect crashes or abnormal behavior in applications using Jerryscript. Where feasible, sandbox or isolate Jerryscript execution environments to contain potential crashes and prevent cascading failures. Developers should also review and harden the input validation and parsing logic in their use of Jerryscript to minimize malformed input risks. Finally, maintain an incident response plan to quickly address any denial of service events linked to this vulnerability.
Description
Jerryscript commit cefd391 was discovered to contain a segmentation violation via the component scanner_seek at jerry-core/parser/js/js-scanner-util.c.