CVE-2009-5123

CVE-2009-5123 is a medium-severity vulnerability in Comodo Comodo Internet Security with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

The Antivirus component in Comodo Internet Security before 3.11.108364.552 allows remote attackers to cause a denial of service (memory consumption) via a crafted compressed file.

Frequently asked questions

What is CVE-2009-5123?
The Antivirus component in Comodo Internet Security before 3.11.108364.552 allows remote attackers to cause a denial of service (memory consumption) via a crafted compressed file.
How severe is CVE-2009-5123?
CVE-2009-5123 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-5123 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-5123?
CVE-2009-5123 primarily affects Comodo Comodo Internet Security. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-5123?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-5123 published?
CVE-2009-5123 was published on 2012-08-26 and last updated on 2026-06-16.

References

Affected products (20)

More vulnerabilities in Comodo Comodo Internet Security

All CVEs affecting Comodo Comodo Internet Security →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →