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CVE-2018-11646

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess...

7.5 HighPublic exploitFix available

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

68.0%Up 37.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Record
CVE-2018-11646
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Record
CVE-2018-11646
Updated
2026-11-02
EUVDEUVD-2018-3669 No score

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Record
EUVD-2018-3669
Updated
2026-11-03
GitHub AdvisoriesGHSA-q2c8-4vmf-78h5 7.5

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess...

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Record
GHSA-q2c8-4vmf-78h5
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 7.5

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Record
CVE-2018-11646
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-11646 7.5

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Record
DEBIAN-CVE-2018-11646
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2018-11646 7.5

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Record
UBUNTU-CVE-2018-11646
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2018-0302 No score

Updated webkit2 packages fix security vulnerability

The webkit2 package has been updated to version 2.20.3, fixing several security issues and other bugs.

Record
MGASA-2018-0302
Updated
2026-11-02
OSVopenSUSE-SU-2024:11506-1 No score

libjavascriptcoregtk-4_0-18-2.32.4-1.1 on GA media

These are all security issues fixed in the libjavascriptcoregtk-4_0-18-2.32.4-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11506-1
Updated
2026-11-02
OSVSUSE-SU-2018:2075-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 to version 2.20.3 fixes the following issues:

These security issues were fixed:

  • CVE-2018-4190: An unspecified issue allowed remote attackers to obtain sensitive credential information that is transmitted during a CSS mask-image fetch (bsc#1097693).
  • CVE-2018-4199: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) via a crafted web site (bsc#1097693)
  • CVE-2018-4218: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers an @generatorState use-after-free (bsc#1097693)
  • CVE-2018-4222: An unspecified issue allowed remote attackers to execute arbitrary code via a crafted web site that leverages a getWasmBufferFromValue out-of-bounds read during WebAssembly compilation (bsc#1097693)
  • CVE-2018-4232: An unspecified issue allowed remote attackers to overwrite cookies via a crafted web site (bsc#1097693)
  • CVE-2018-4233: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1097693)
  • CVE-2018-11646: webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL mishandle an unset pageURL, leading to an application crash (bsc#1095611).

These non-security issues were fixed:

  • Disable Gigacage if mmap fails to allocate in Linux.
  • Add user agent quirk for paypal website.
  • Fix a network process crash when trying to get cookies of about:blank page.
  • Fix UI process crash when closing the window under Wayland.
  • Fix several crashes and rendering issues.
Record
SUSE-SU-2018:2075-1
Updated
2026-11-02
OSVSUSE-SU-2018:3387-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 to version 2.20.3 fixes the issues:

The following security vulnerabilities were addressed:

  • CVE-2018-12911: Fixed an off-by-one error in xdg_mime_get_simple_globs (boo#1101999)
  • CVE-2017-13884: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1075775).
  • CVE-2017-13885: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1075775).
  • CVE-2017-7153: An unspecified issue allowed remote attackers to spoof user-interface information (about whether the entire content is derived from a valid TLS session) via a crafted web site that sends a 401 Unauthorized redirect (bsc#1077535).
  • CVE-2017-7160: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1075775).
  • CVE-2017-7161: An unspecified issue allowed remote attackers to execute arbitrary code via special characters that trigger command injection (bsc#1075775, bsc#1077535).
  • CVE-2017-7165: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1075775).
  • CVE-2018-4088: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1075775).
  • CVE-2018-4096: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1075775).
  • CVE-2018-4200: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers a WebCore::jsElementScrollHeightGetter use-after-free (bsc#1092280).
  • CVE-2018-4204: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1092279).
  • CVE-2018-4101: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1088182).
  • CVE-2018-4113: An issue in the JavaScriptCore function in the 'WebKit' component allowed attackers to trigger an assertion failure by leveraging improper array indexing (bsc#1088182)
  • CVE-2018-4114: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1088182)
  • CVE-2018-4117: An unspecified issue allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site (bsc#1088182, bsc#1102530).
  • CVE-2018-4118: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1088182)
  • CVE-2018-4119: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1088182)
  • CVE-2018-4120: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1088182).
  • CVE-2018-4121: An unspecified issue allowed remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site (bsc#1092278).
  • CVE-2018-4122: An unspecified issue allowed remote attackers to execute arbitrary…
Record
SUSE-SU-2018:3387-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webkit2gtk
Debian:12
 before 2.20.3-1
2.20.3-1
webkit2gtk
Debian:13
 before 2.20.3-1
2.20.3-1
webkit2gtk
Debian:14
 before 2.20.3-1
2.20.3-1
webkit2
Mageia:6
From an advisory covering 8 CVEs
 before 2.20.3-1.mga6
2.20.3-1.mga6
webkit2gtk3
SUSE:Linux Enterprise Module for Basesystem 15
From an advisory covering 7 CVEs
 before 2.20.3-3.3.1
2.20.3-3.3.1
webkit2gtk3
SUSE:Linux Enterprise Module for Desktop Applications 15
From an advisory covering 7 CVEs
 before 2.20.3-3.3.1
2.20.3-3.3.1
webkit2gtk3
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 40 CVEs
 before 2.20.3-2.23.8
2.20.3-2.23.8
webkit2gtk3
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 40 CVEs
 before 2.20.3-2.23.8
2.20.3-2.23.8
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 40 CVEs
 before 2.20.3-2.23.8
2.20.3-2.23.8
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 40 CVEs
 before 2.20.3-2.23.8
2.20.3-2.23.8
Show 12 moreShow less
Affected packages
PackageAffectedFixed
webkit2gtk3
SUSE:Linux Enterprise Workstation Extension 12 SP3
From an advisory covering 40 CVEs
 before 2.20.3-2.23.8
2.20.3-2.23.8
webkit2gtk
Ubuntu:16.04:LTS
 before 2.20.1-0ubuntu0.16.04.1, plus listed versions
2.8.5+dfsg1-32.10.3+dfsg1-12.10.4+dfsg1-12.10.5-12.10.6-1
Show 17 moreShow less
2.10.6-1ubuntu12.10.8-1ubuntu12.10.9-1ubuntu12.12.5-0ubuntu0.16.04.12.14.2-0ubuntu0.16.04.12.14.3-0ubuntu0.16.04.12.14.5-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.22.16.2-0ubuntu0.16.04.12.16.3-0ubuntu0.16.04.12.16.6-0ubuntu0.16.04.12.18.0-0ubuntu0.16.04.22.18.3-0ubuntu0.16.04.12.18.4-0ubuntu0.16.04.12.18.5-0ubuntu0.16.04.12.18.6-0ubuntu0.16.04.1
2.20.1-0ubuntu0.16.04.1
qtwebkit-opensource-src
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.4.2+dfsg-1ubuntu2.15.5.1+dfsg-2ubuntu1
 None known
qtwebkit-source
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu102.3.2-0ubuntu11
 None known
webkitgtk
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.4.9-2ubuntu22.4.10-0ubuntu12.4.11-0ubuntu0.1
 None known
qtwebkit-opensource-src
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.9.1+dfsg-5ubuntu15.9.1+dfsg-5ubuntu35.212.0~alpha2-5build25.212.0~alpha2-5build45.212.0~alpha2-75.212.0~alpha2-7build25.212.0~alpha2-7ubuntu1
 None known
qtwebkit-source
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu13
 None known
webkitgtk
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.4.11-32.4.11-3ubuntu22.4.11-3ubuntu3
 None known
qtwebkit-opensource-src
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.212.0~alpha3-35.212.0~alpha3-55.212.0~alpha3-65.212.0~alpha3-75.212.0~alpha4-15.212.0~alpha4-1ubuntu15.212.0~alpha4-1ubuntu25.212.0~alpha4-1ubuntu2.1
 None known
qtwebkit-opensource-src
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-125.212.0~alpha4-135.212.0~alpha4-145.212.0~alpha4-14build15.212.0~alpha4-14ubuntu25.212.0~alpha4-15ubuntu1
 None known
qtwebkit-opensource-src
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-335.212.0~alpha4-33build15.212.0~alpha4-345.212.0~alpha4-34ubuntu35.212.0~alpha4-34ubuntu45.212.0~alpha4-36
 None known
gtk3
openSUSE:Tumbleweed
From an advisory covering 126 CVEs
 before 2.32.4-1.1
2.32.4-1.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBWebKitGTK+ < 2.21.3 - Crash (PoC)2018-06-05
Exploit-DBWebKitGTK+ < 2.21.3 - 'WebKitFaviconDatabase' Denial of Service (Metasploit)2018-06-11
MetasploitWebKitGTK+ WebKitFaviconDatabase DoS2018-06-03

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-11646 is a high vulnerability (CVSS 7.5) in Webkitgtk Webkitgtk\+, published June 1, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 68.0%, the 99th percentile. Fixed in webkit2gtk 2.20.3-1.

References

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This page doesn't list everything

Left out here: the rest of 1 source description. The JSON record has them.

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