CVE-2023-31907
CVE-2023-31907 is a high-severity vulnerability in Jerryscript with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Jerryscript
- Published:
- Last modified:
Description
Jerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via the component scanner_literal_is_created at /jerry-core/parser/js/js-scanner-util.c.
Frequently asked questions
- What is CVE-2023-31907?
- Jerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via the component scanner_literal_is_created at /jerry-core/parser/js/js-scanner-util.c.
- How severe is CVE-2023-31907?
- CVE-2023-31907 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-31907 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31907?
- CVE-2023-31907 affects Jerryscript. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-31907?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-31907 published?
- CVE-2023-31907 was published on 2023-05-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:jerryscript:jerryscript:3.0.0:*:*:*:*:*:*:*
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- CVE-2023-38961 — Critical (CVSS 9.8): Buffer Overflwo vulnerability in JerryScript Project jerryscript v.3.0.0 allows a remote attacker to execute arbitrary…
- CVE-2020-22597 — Critical (CVSS 9.8): An issue in Jerrscript- project Jerryscrip v. 2.3.0 allows a remote attacker to execute arbitrary code via the…
- CVE-2021-42863 — Critical (CVSS 9.8): A buffer overflow in ecma_builtin_typedarray_prototype_filter() in JerryScript version fe3a5c0 allows an attacker to…
- CVE-2021-43453 — Critical (CVSS 9.8): A Heap-based Buffer Overflow vulnerability exists in JerryScript 2.4.0 and prior versions via an out-of-bounds read in…
- CVE-2021-41752 — Critical (CVSS 9.8): Stack overflow vulnerability in Jerryscript before commit e1ce7dd7271288be8c0c8136eea9107df73a8ce2 on Oct 20, 2021 due…
All CVEs affecting Jerryscript →
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