What is CVE-2014-4109?

CVE-2014-4109 is a vulnerability in Microsoft Internet Explorer, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-09-10.

Is CVE-2014-4109 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Microsoft Internet Explorer

CVE-2014-4109

Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2014-2799, CVE-2014-4059, CVE-2014-4065, CVE-2014-4079, CVE-2014-4081, CVE-2014-4083, CVE-2014-4085, CVE-2014-4088, CVE-2014-4090, CVE-2014-4094, CVE-2014-4097, CVE-2014-4100, CVE-2014-4103, CVE-2014-4104, CVE-2014-4105, CVE-2014-4106, CVE-2014-4107, CVE-2014-4108, CVE-2014-4110, and CVE-2014-4111.

Vulnerability class: Buffer Overflow

EPSS: 0.312 (98.1th percentile) — read the EPSS interpretation.

Affected products

Microsoft Internet_explorer — versions 6, 7, 8
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

day6reak/CVE-2014-4109

References

secure@microsoft.com (vdb-entry, x_refsource_SECTRACK)
secure@microsoft.com (x_refsource_MS, vendor-advisory)
secure@microsoft.com (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2014-4109?: CVE-2014-4109 is a vulnerability in Microsoft Internet Explorer, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-09-10.
Is CVE-2014-4109 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.