Arkcompiler ets frontend has an out-of-bounds read vulnerability

published 2024-05-07 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-21261

cvss: 5.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

in OpenHarmony v4.0.0 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through use after free or cause DOS through NULL pointer dereference.

Patch / fix

fixed in 1

OpenHarmony OpenHarmony v4.0.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-05-07)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.2	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

OpenHarmony OpenHarmony

Classification

Weakness

CWE-125 Out-of-bounds Read
CWE-476 NULL Pointer Dereference

References

gitee.com /openharmony/security/blob/master/zh/security-disclosure/2024/2024-05.md
vendor-advisory

Sources

CVE List CVE-2024-23808
NVD CVE-2024-23808

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary