CVE-2016-5161
The EditingStyle::mergeStyle function in WebKit/Source/core/editing/EditingStyle.cpp in Blink, as used in Google Chrome before 53.0.2785.89 on Windows and OS X and before 53.0.2785.92 on Linux, mishandles custom properties, which allows remote attackers…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The EditingStyle::mergeStyle function in WebKit/Source/core/editing/EditingStyle.cpp in Blink, as used in Google Chrome before 53.0.2785.89 on Windows and OS X and before 53.0.2785.92 on Linux, mishandles custom properties, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted web site that leverages "type confusion" in the StylePropertySerializer class.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.40% probability · 72th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-704
- Affected
- google/chrome · opensuse/leap
- Source
- chrome-cve-admin@google.com
EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00008.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00073.html
- http://rhn.redhat.com/errata/RHSA-2016-1854.html
- http://www.debian.org/security/2016/dsa-3660
- http://www.securityfocus.com/bid/92717
- http://www.securitytracker.com/id/1036729
- http://zerodayinitiative.com/advisories/ZDI-16-501/
- https://codereview.chromium.org/2103043004
- https://crbug.com/622420
- https://googlechromereleases.blogspot.com/2016/08/stable-channel-update-for-desktop_31.html
- https://security.gentoo.org/glsa/201610-09
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00008.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00073.html
- http://rhn.redhat.com/errata/RHSA-2016-1854.html
- http://www.debian.org/security/2016/dsa-3660
- http://www.securityfocus.com/bid/92717
- http://www.securitytracker.com/id/1036729
- http://zerodayinitiative.com/advisories/ZDI-16-501/
- https://codereview.chromium.org/2103043004
- https://crbug.com/622420
- https://googlechromereleases.blogspot.com/2016/08/stable-channel-update-for-desktop_31.html
- https://security.gentoo.org/glsa/201610-09
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.