CVE-2026-34865 — Heap-based Buffer Overflow in Huawei Harmonyos

CWE-122 — Heap-based Buffer Overflow3 documents3 sources
Severity
10.0CRITICALNVD
EPSS
0.0%
top 94.72%
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Affected Packages1 packages

▶CVEListV5huawei/harmonyos6.0.0

🔴Vulnerability Details

2
CVEList
CVE-2026-34865: Out-of-bounds write vulnerability in the WEB module↗2026-04-13
▶
GHSA
GHSA-f3fr-gvgx-x9gh: Out-of-bounds write vulnerability in the WEB module↗2026-04-13
▶
CVE-2026-34865 — Heap-based Buffer Overflow in Huawei | cvebase