CVE-2021-39993 — Integer Overflow or Wraparound in Huawei Emui

CWE-190 — Integer Overflow or Wraparound5 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.2%
top 53.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Huawei EmuiHuawei Magic UI
Timeline
PublishedJan 10
Latest updateJan 29

Description

There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of this vulnerability may cause out-of-bounds access.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDhuawei/emui11.0.0
▶NVDhuawei/magic_ui4.0.0

🔴Vulnerability Details

4
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2026-01-29
▶
OSV
linux-fips vulnerabilities↗2026-01-29
▶
GHSA
GHSA-4rrx-j7vf-86fq: There is an Integer overflow vulnerability with ACPU in smartphones↗2022-01-11
▶
CVEList
CVE-2021-39993: There is an Integer overflow vulnerability with ACPU in smartphones↗2022-01-07
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CVE-2021-39993 — Integer Overflow or Wraparound | cvebase