What’s Vulnerable › Vulnerabilities

CVE-2018-12911

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-07-19 · updated 2026-06-17
• Weakness: CWE-787

Description

WebKitGTK+ 2.20.3 has an off-by-one error, with a resultant out-of-bounds write, in the get_simple_globs functions in ThirdParty/xdgmime/src/xdgmimecache.c and ThirdParty/xdgmime/src/xdgmimeglob.c.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04
• Webkitgtk+: 2.20.3

References

• https://trac.webkit.org/changeset/233404/webkit
• https://usn.ubuntu.com/3743-1/
• https://trac.webkit.org/changeset/233404/webkit
• https://usn.ubuntu.com/3743-1/

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