CVE-2021-30952
HIGH7.8⚠ KEVEPSS 0.79%Apple Multiple Products Integer Overflow or Wraparound Vulnerability
Published: 8/24/2021Modified: 4/28/2026Added to CISA KEV: 3/5/2026
Description
An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected packages (2)
- Debian/webkit2gtkfrom 0, < 2.34.4-1~deb11u1
- Debian/wpewebkitfrom 0, < 2.34.4-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |