CVE-2024-40776: apple ios and ipados Use After Free
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-40776DEBIAN-CVE-2024-40776
Published 29-07-2024Last modified 02-04-2026
Vulnerability summary
CVE-2024-40776 is a medium (CVSS 6.5) Use After Free vulnerability in apple ios and ipados. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
1.01%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 17 · Related 7Timeline
- 29-07-2024PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 17.6, iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. Processing maliciously crafted web content may lead to an unexpected process crash.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSources4 sources · 4.3–6.5
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LDiffers
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
1.01%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 1.01% on 19-09-2026
19-09-202619-10-2026
EPSS score1.01%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple8 products
- ios and ipados< 16.7.9 | < 17.6
- ipados< 16.7.9 | ≥ 17.0, < 17.6
- iphone_os< 16.7.9 | ≥ 17.0, < 17.6
- macos< 14.6
- safari< 17.6
Ubuntu5 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.44.3-0ubuntu0.22.04.1 | < 2.44.3-0ubuntu0.24.04.1
- webkitgtkAll versions (No fix recorded)
- wpewebkitAll versions (No fix recorded)
Debian2 products
- webkit2gtk< 2.44.3-1~deb12u1 | < 2.44.3-1
- wpewebkitAll versions (No fix recorded) | < 2.44.3-1
3 vendors · 15 products
