CVE-2026-34866 — Classic Buffer Overflow in Huawei Harmonyos

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
5.1MEDIUMNVD
EPSS
0.0%
top 99.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Huawei Harmonyos
Timeline
PublishedApr 13

Description

Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LExploitability: 2.5 | Impact: 2.5

Affected Packages1 packages

▶CVEListV5huawei/harmonyos6.0.0

🔴Vulnerability Details

2
GHSA
GHSA-xvjp-783h-vvhp: Out-of-bounds write vulnerability in the WEB module↗2026-04-13
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CVEList
CVE-2026-34866: Out-of-bounds write vulnerability in the WEB module↗2026-04-13
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CVE-2026-34866 — Classic Buffer Overflow in Huawei | cvebase