CVE-2016-9643

7.5 highEPSS 3.1%

The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).

Severity

CVSS 3.0

7.5 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2017-03-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

webkit:webkit

References

http://www.openwall.com/lists/oss-security/2016/11/26/2
http://www.openwall.com/lists/oss-security/2016/11/26/5
http://www.securityfocus.com/bid/94559
http://www.securitytracker.com/id/1038137
https://security.gentoo.org/glsa/201706-15

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