CVE-2018-11646
webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in…
- 7.5HighCVSS base score
- 67.5%Exploitation in 30 daysEPSS · top 0.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 2 Exploit-DB entries for it. 2 references of the record are tagged as an exploit.
Show the exploits5
Metasploit modules1 module
- WebKitGTK+ WebKitFaviconDatabase DoS (Metasploit module) (opens in a new tab)
auxiliary/dos/http/webkitplusRank normaldisclosed 3 Jun 2018
Exploit-DB2 entries
- WebKitGTK+ < 2.21.3 - 'WebKitFaviconDatabase' Denial of Service (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 44876dos, linuxpublished 11 Jun 2018Not verified
- WebKitGTK+ < 2.21.3 - Crash (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 44842local, linuxpublished 5 Jun 2018Not verified
References tagged exploit2 references
- 44876 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 44842 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 67.5% · top 0.7% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
5
- 44876 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- GLSA-201808-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://bugzilla.gnome.org/show_bug.cgi?id=795740 (opens in a new tab)x_refsource_MISCx_transferred
- 44842 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://bugs.webkit.org/show_bug.cgi?id=186164 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-3669 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-11646)Record last updated .