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Public proof of conceptFix available

CVE-2019-8518

A public proof of concept exists; no exploitation attested.

  • Published2019-12-18
  • Fixed in7.11
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Timeline

dates in UTC
  1. 2019-04-03Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-8518?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-8518?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Apple icloud
BranchAffectedFixed in
7.11< 7.117.11
Apple iphone os
BranchAffectedFixed in
12.2< 12.212.2
Apple itunes
BranchAffectedFixed in
12.9< 12.9.412.9.4

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • accountsserviceRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:0.6.50-7.el8and 4 other packages
  • accountsservice-develRed Hat:enterprise_linux:8::crball versions · fixed in 0:0.6.50-7.el8and 3 other packages
  • appstream-dataRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:8-20190805.el8
  • baobabRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:3.28.0-2.el8and 2 other packages
  • chrome-gnome-shellRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:10.1-6.el8
  • evinceRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:3.28.4-3.el8and 8 other packages
  • file-rollerRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:3.28.1-2.el8and 2 other packages
  • gdk-pixbuf2Rocky Linux:8all versions · fixed in 0:2.36.12-5.el8

55 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-8518 Red Hat Product Security997 products fixed · 9 known affected

    webkitgtk: malicious web content leads to arbitrary code execution

    webkitgtk as a component of Red Hat Enterprise Linux 6 · webkitgtk-devel as a component of Red Hat Enterprise Linux 6 · webkitgtk-doc as a component of Red Hat Enterprise Linux 6 · +6 more

  • RHSA-2019:3553 Red Hat Product Security903 products fixed

    Red Hat Security Advisory: GNOME security, bug fix, and enhancement update

  • RHBA-2019:2261 Red Hat Product Security94 products fixed

    Red Hat Bug Fix Advisory: webkitgtk4 bug fix update

Full record on NVD

Fix

  1. Update Apple icloud to 7.11
  2. Vendor fix Red Hat Product Security RHSA-2019:3553 · 903 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Vendor fix Red Hat Product Security RHBA-2019:2261 · 94 productsFor details on how to apply this update, refer to: https://access.redhat.com/articles/11258
  4. No fix planned, says the vendor Red Hat Product Security CVE-2019-8518 · 4 productsOut of support scope
  5. No fix planned, says the vendor Red Hat Product Security CVE-2019-8518 · 5 productsWill not fix

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-46649
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.09.3read 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score11.2 %read 2026-11-02
  • Exploit-DBdetectionread 2026-11-02
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2019-12-18
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2019-8518?

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Is CVE-2019-8518 actively exploited?

Active exploitation of CVE-2019-8518 has not been confirmed. Its EPSS score was 11.2% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8518?

CVE-2019-8518 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record