CRITICAL
CVE-2012-5139
CWE-416Published: December 12, 2012· Updated: Jun 16, 2026
10.0
CVSS v3.1
Official Description
Use-after-free vulnerability in Google Chrome before 23.0.1271.97 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to visibility events.
Technical Analysis
CVE-2012-5139 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (8)
Quick Facts
CVE IDCVE-2012-5139
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-416
CISA KEVNo
Affected2 vendor(s)
PublishedDec 12, 2012
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2012-5139 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.