9.8

CVE-2024-40782: apple ios and ipados Use After Free

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2024-40782DEBIAN-CVE-2024-40782
Published 29-07-2024Last modified 02-04-2026

Vulnerability summary

CVE-2024-40782 is a critical (CVSS 9.8) Use After Free vulnerability in apple ios and ipados. EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 61.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.98%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 6

Timeline

  1. 29-07-2024
    PublishedVulnerability first disclosed.
  2. 02-04-2026
    Last 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 version

EPSS trend

Probability

0.98%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

0.00 pp

From 0.98% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.98%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apple8 products
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

References

33 links
Show all 33 references