How severe is CVE-2009-0449?

CVE-2009-0449 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2009-0449 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0449?

CVE-2009-0449 primarily affects Kaspersky Lab Kaspersky Anti-virus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0449?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-0449 published?

CVE-2009-0449 was published on 2009-02-10 and last updated on 2026-06-16.

CVE-2009-0449

CVE-2009-0449 is a high-severity vulnerability in Kaspersky Lab Kaspersky Anti-virus with a CVSS 2.0 base score of 7.2. 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

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Kaspersky Lab Kaspersky Anti-virus
Published: 2009-02-10
Last modified: 2026-06-16

Description

Buffer overflow in klim5.sys in Kaspersky Anti-Virus for Workstations 6.0 and Anti-Virus 2008 allows local users to gain privileges via an IOCTL 0x80052110 call.

Frequently asked questions

What is CVE-2009-0449?: Buffer overflow in klim5.sys in Kaspersky Anti-Virus for Workstations 6.0 and Anti-Virus 2008 allows local users to gain privileges via an IOCTL 0x80052110 call.
How severe is CVE-2009-0449?: CVE-2009-0449 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2009-0449 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0449?: CVE-2009-0449 primarily affects Kaspersky Lab Kaspersky Anti-virus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0449?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-0449 published?: CVE-2009-0449 was published on 2009-02-10 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:6.0:*:workstations:*:*:*:*:*
cpe:2.3:a:kaspersky_lab:kaspersky_anti-virus:2008:*:*:*:*:*:*:*

More vulnerabilities in Kaspersky Lab Kaspersky Anti-virus

CVE-2007-0445 — Critical (CVSS 10.0): Heap-based buffer overflow in the arj.ppl module in the OnDemand Scanner in Kaspersky Anti-Virus, Anti-Virus for…
CVE-2007-1112 — Critical (CVSS 10.0): Kaspersky Anti-Virus 6.0 and Internet Security 6.0 exposes unsafe methods in the (a) AXKLPROD60Lib.KAV60Info…
CVE-2005-3142 — Critical (CVSS 10.0): Heap-based buffer overflow in Kaspersky Antivirus (KAV) 5.0 and Kaspersky Personal Security Suite 1.1 allows remote…
CVE-2007-1879 — Critical (CVSS 9.3): The StartUploading function in KL.SysInfo ActiveX control (AxKLSysInfo.dll) in Kaspersky Anti-Virus 6.0 and Internet…
CVE-2006-1091 — High (CVSS 7.8): Kaspersky Antivirus 5.0.5 and 5.5.3 allows remote attackers to cause a denial of service (CPU and memory consumption)…
CVE-2005-3664 — High (CVSS 7.5): Heap-based buffer overflow in Kaspersky Anti-Virus Engine, as used in Kaspersky Personal 5.0.227, Anti-Virus On-Demand…

All CVEs affecting Kaspersky Lab Kaspersky Anti-virus →

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

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

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