Apple iOS/iPadOS up to 17.0.2/18.1 Font memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.9 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Apple iOS and iPadOS up to 17.0.2/18.1 and classified as critical. Affected by this issue is some unknown functionality of the component Font Handler. The manipulation results in memory corruption. This vulnerability is known as CVE-2024-54486. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Apple iOS and iPadOS up to 17.0.2/18.1. It has been classified as critical. Affected is an unknown code of the component Font Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality. CVE summarizes:
The issue was addressed with improved checks. This issue is fixed in iOS 18.2 and iPadOS 18.2, iPadOS 17.7.3, macOS Sequoia 15.2, macOS Sonoma 14.7.2, macOS Ventura 13.7.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing a maliciously crafted font may result in the disclosure of process memory.
The advisory is available at support.apple.com. This vulnerability is traded as CVE-2024-54486 since 12/03/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/08/2026).
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2024-3692). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Affected
- Apple macOS
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CNA Base Score: 6.5
CNA Vector (apple): 🔍
ADP CISA Base Score: 6.5
ADP CISA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/03/2024 🔍12/12/2024 🔍
12/12/2024 🔍
04/08/2026 🔍
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2024-54486 (🔍)
GCVE (CVE): GCVE-0-2024-54486
GCVE (VulDB): GCVE-100-287970
CERT Bund: WID-SEC-2024-3692 - Apple macOS: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 12/12/2024 07:10Updated: 04/08/2026 00:30
Replaces Duplicates: 🔍
Changes: 12/12/2024 07:10 (55), 12/12/2024 07:22 (1), 12/19/2024 07:13 (1), 12/20/2024 23:49 (21), 02/18/2025 09:09 (3), 08/30/2025 11:53 (7), 04/08/2026 00:30 (12)
Complete: 🔍
Committer: Wright 2222
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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