CVE-2023-42848: apple ios and ipados Out-of-bounds Write
CVSS: 7.8v3.1HighModified
Published 21-02-2024Last modified 04-11-2025
Vulnerability summary
CVE-2023-42848 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in apple ios and ipados. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-02-2024PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
Description
The issue was addressed with improved bounds checks. This issue is fixed in watchOS 10.1, macOS Sonoma 14.1, tvOS 17.1, iOS 16.7.2 and iPadOS 16.7.2, iOS 17.1 and iPadOS 17.1, macOS Ventura 13.6.1. Processing a maliciously crafted image may lead to heap corruption.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 21-09-2026
21-09-202621-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Affected systems
Apple6 products
- ios and ipados≥ unspecified, < 16.7 | ≥ unspecified, < 17.1
- ipad_os< 16.7.2 | ≥ 17.0, < 17.1
- iphone_os< 16.7.2 | ≥ 17.0, < 17.1
- macosEOL≥ unspecified, < 14.1 | ≥ unspecified, < 13.6 | ≥ 13.0, < 13.6.1 | 14.0
- tvos≥ unspecified, < 17.1 | < 17.1
1 vendor · 6 products
References
9 links- support.apple.com/en-us/HT213981Vendor Advisory
- support.apple.com/en-us/HT213987Vendor Advisory
- support.apple.com/en-us/HT213984Vendor Advisory
- support.apple.com/en-us/HT213988Vendor Advisory
- support.apple.com/en-us/HT213985Vendor Advisory
- support.apple.com/en-us/HT213982Vendor Advisory