Jerryscript
CVE-2023-31906
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
AnalysisAI
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c. Affected products include: Jerryscript.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Memory Corruption
View allShare
External POC / Exploit Code
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