CVE-2022-48503
HighExploitedPublic exploitThe issue was addressed with improved bounds checks.
Published Aug 14, 2023 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2022-48503, SUSE-SU-2023:3233-1, SUSE-SU-2023:3237-1, SUSE-SU-2023:3300-1, SUSE-SU-2023:3419-1, UBUNTU-CVE-2022-48503
Key Facts
Patch immediately- CVE-2022-48503 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Safari (Apple), Ipados (Apple), Iphone OS (Apple) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 20, 2025. Public exploit code is available.
- EPSS estimates a 3.2% probability of exploitation in the next 30 days.
- Fixed versions are available, including Ipados 15.6, Iphone OS 15.6, macOS 12.5.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
3.2%
Higher than 87.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-48503 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Oct 20, 2025 | Nov 10, 2025 | Not reported |
| Industry KEV feed | Oct 20, 2025 | Nov 10, 2025 | Not reported |
| CIRCL KEV | Oct 20, 2025 | Nov 10, 2025 | Not reported |
| ENISA EUVD | Oct 20, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
316 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SafariApple | >= unspecified | 15.6 |
| IpadosApple | See advisory | 15.6 |
| Iphone OSApple | See advisory | 15.6 |
| macOSApple | >= unspecified | 12.5 |
| tvOSApple | >= unspecified | 15.6 |
Patched Releases
Ipados
15.6
Iphone OS
15.6
macOS
12.5
Safari
15.6
tvOS
15.6
watchOS
8.7
iOS and iPadOS
15.6
libjavascriptcoregtk-4_0-18
2.40.5-150000.3.144.1, 2.40.5-150200.78.1, 2.40.5-150400.4.45.3, 2.40.5-2.146.1
libjavascriptcoregtk-4_0-18-32bit
2.40.5-150400.4.45.3, 2.40.5-2.146.1
libjavascriptcoregtk-4_0-18-64bit
2.40.5-150400.4.45.3
libjavascriptcoregtk-4_1-0
2.40.5-150400.4.45.3
libjavascriptcoregtk-4_1-0-32bit
2.40.5-150400.4.45.3
libjavascriptcoregtk-4_1-0-64bit
2.40.5-150400.4.45.3
libjavascriptcoregtk-6_0-1
2.40.5-150400.4.45.3
libwebkit2gtk-4_0-37
2.40.5-150000.3.144.1, 2.40.5-150200.78.1, 2.40.5-150400.4.45.3, 2.40.5-2.146.1
libwebkit2gtk-4_0-37-32bit
2.40.5-150400.4.45.3
libwebkit2gtk-4_0-37-64bit
2.40.5-150400.4.45.3
libwebkit2gtk-4_1-0
2.40.5-150400.4.45.3
libwebkit2gtk-4_1-0-32bit
2.40.5-150400.4.45.3
libwebkit2gtk-4_1-0-64bit
2.40.5-150400.4.45.3
libwebkit2gtk3-lang
2.40.5-150000.3.144.1, 2.40.5-150200.78.1, 2.40.5-2.146.1
libwebkitgtk-6_0-4
2.40.5-150400.4.45.3
typelib-1_0-JavaScriptCore-4_0
2.40.5-150000.3.144.1, 2.40.5-150200.78.1, 2.40.5-150400.4.45.3, 2.40.5-2.146.1
typelib-1_0-JavaScriptCore-4_1
2.40.5-150400.4.45.3
typelib-1_0-JavaScriptCore-6_0
2.40.5-150400.4.45.3
Timeline
Publicly disclosed
Aug 14, 2023
Added to CISA KEV
Oct 20, 2025
Added to Industry KEV feed
Oct 20, 2025
Added to CIRCL KEV
Oct 20, 2025
Added to ENISA EUVD
Oct 20, 2025
Last updated
Aug 4, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-129 Improper Validation of Array Index
References
- advisoryRHSA-2023:2256
- advisoryRHSA-2023:2834
- advisoryRHSA-2024:9653
- advisoryRHSA-2024:9679
- advisoryRHSA-2024:9680
FAQ
Common Questions.
The issue was addressed with improved bounds checks.
Affected: Safari (Apple) versions >= unspecified; Ipados (Apple); Iphone OS (Apple), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 20, 2025.
Yes. It was added on Oct 20, 2025 with a federal remediation due date of Nov 10, 2025.
Public exploit code is available.
Fixed versions are available, including Ipados 15.6, Iphone OS 15.6, macOS 12.5.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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