Actively exploited · Published Aug 14, 2023 · Assigned by apple
CVE-2022-48503
High 8.8 Exploited
In plain English
A high-severity security flaw in iOS and iPadOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on October 20, 2025). The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
CISA guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Nov 10, 2025.
Official description
The issue was addressed with improved bounds checks. This issue is fixed in tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing web content may lead to arbitrary code execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | webkit2gtk | 2.38.0-1 | DEBIAN-CVE-2022-48503 |
| Debian:13 | webkit2gtk | 2.38.0-1 | DEBIAN-CVE-2022-48503 |
| Debian:14 | webkit2gtk | 2.38.0-1 | DEBIAN-CVE-2022-48503 |
| Debian:12 | wpewebkit | 2.38.0-1 | DEBIAN-CVE-2022-48503 |
| Debian:13 | wpewebkit | 2.38.0-1 | DEBIAN-CVE-2022-48503 |
| Debian:14 | wpewebkit | 2.38.0-1 | DEBIAN-CVE-2022-48503 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2022-48503 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2022-48503 |
| Ubuntu:22.04:LTS | webkit2gtk | 2.38.2-0ubuntu0.22.04.2 | UBUNTU-CVE-2022-48503 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2022-48503 |
Affected products (as reported)
Weakness: CWE-129 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://support.apple.com/en-us/HT213345
- https://support.apple.com/en-us/HT213342
- https://support.apple.com/en-us/HT213341
- https://support.apple.com/en-us/HT213340
- https://support.apple.com/en-us/HT213346
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-48503 government-resource