CVE-2018-4197: apple icloud Use After Free
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-4197DEBIAN-CVE-2018-4197
Published 03-04-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-4197 is a high (CVSS 8.8) Use After Free vulnerability in apple icloud. EPSS estimates a 9.35% chance of exploitation in the next 30 days, higher than 95.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
9.35%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database
Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 03-04-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
9.35%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
-0.04 pp
From 9.39% on 18-09-2026
18-09-202618-10-2026
EPSS score9.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundWebKit - 'WebCore::RenderTreeBuilder::removeAnonymousWrappersForInlineChildrenIfNeeded' Use-After-Free
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Ubuntu4 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.22.2-0ubuntu0.18.04.1
- webkitgtkAll versions (No fix recorded)
Debian1 product
- webkit2gtk< 2.22.0-2
3 vendors · 10 products
