CVE-2018-12911

moderate-risk
Published 2018-07-19

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.

Do I need to act?

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0.49% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Canonical Webkitgtk

References (4)

Patch https://trac.webkit.org/changeset/233404/webkit
Third Party Advisory https://usn.ubuntu.com/3743-1/
Patch https://trac.webkit.org/changeset/233404/webkit
Third Party Advisory https://usn.ubuntu.com/3743-1/
43
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 9/34 · Low