CVE-2012-5128

Google V8 before 3.13.7.5, as used in Google Chrome before 23.0.1271.64, does not properly...

7.5 High

Google V8 before 3.13.7.5, as used in Google Chrome before 23.0.1271.64, does not properly perform write operations, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

Exploit likelihood

1.24%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2012-5128
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-5128
Updated: 2026-11-02

EUVDEUVD-2012-5051 No score

Record: EUVD-2012-5051
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9mqv-q9g3-rgxv No score

Google V8 before 3.13.7.5, as used in Google Chrome before 23.0.1271.64, does not properly...

Record: GHSA-9mqv-q9g3-rgxv
Weakness: CWE-119
Updated: 2026-11-02

OSVUBUNTU-CVE-2012-5128 No score

Record: UBUNTU-CVE-2012-5128
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`libv8-3.14` Ubuntu:16.04:LTS	All versions, plus listed versions 3.14.5.8-5ubuntu2	None known
`libv8-3.14` Ubuntu:18.04:LTS	All versions, plus listed versions 3.14.5.8-11ubuntu1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-5128 is a high vulnerability (CVSS 7.5) in Google Chrome, published November 7, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.24%, the 69th percentile. No source names a fixed version.