HOMEVULNERABILITIESCVE-2023-31908
HIGH

CVE-2023-31908

CWE-787Published: May 10, 2023· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

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

NVD Source

Technical Analysis

CVE-2023-31908 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

jerryscript1 product(s)
jerryscript
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

PATCHhttps://github.com/jerryscript-project/jerryscript/issues/5067
PATCHhttps://github.com/jerryscript-project/jerryscript/issues/5067

All References (2)

→
https://github.com/jerryscript-project/jerryscript/issues/5067Exploit · Issue Tracking · Patch
→
https://github.com/jerryscript-project/jerryscript/issues/5067Exploit · Issue Tracking · Patch

Quick Facts

CVE IDCVE-2023-31908
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedMay 10, 2023

Related CVEs (CWE-787)

CVE-2018-17160
10.0
CVE-2019-6235
10.0
CVE-2018-6692
10.0
CVE-2018-2913
10.0
CVE-2018-3991
10.0
CVE-2019-5684
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-31908 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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