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Vulnerability Intelligence

CVE-2012-1461

MediumExploited

The Gzip file parser in AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5.1.0.1, F-Secure Anti-Virus 9.0.16160.0, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin Antivirus 13.0.900, K7…

Published Mar 21, 2012 · Updated Apr 28, 2026

Key Facts

Patch immediately
  • CVE-2012-1461 is a medium-severity vulnerability (CVSS 4.3 v2) affecting Vba32 (Anti-Virus), Command Antivirus (Authentium), Avg Anti-Virus and 17 more products.
  • It is exploited in the wild, listed in Industry KEV feed since Dec 7, 2023. No public exploit code is known.
  • EPSS estimates a 92% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v2

4.3

AV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS (30-day exploit likelihood)

92%

Higher than 99.8% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

None known

Get the full CVE-2012-1461 brief as a PDF

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Description

The Gzip file parser in AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5.1.0.1, F-Secure Anti-Virus 9.0.16160.0, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin Antivirus 13.0.900, K7 AntiVirus 9.77.3565, Kaspersky Anti-Virus 7.0.0.125, McAfee Anti-Virus Scanning Engine 5.400.0.1158, McAfee Gateway (formerly Webwasher) 2010.1C, NOD32 Antivirus 5795, Norman Antivirus 6.06.12, Rising Antivirus 22.83.00.03, Sophos Anti-Virus 4.61.0, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Trend Micro AntiVirus 9.120.0.1004, Trend Micro HouseCall 9.120.0.1004, and VBA32 3.12.14.2 allows remote attackers to bypass malware detection via a .tar.gz file with multiple compressed streams. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different Gzip parser implementations.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedDec 7, 2023n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

20 affected entries in total
ProductAffected versionsFixed in
Vba32Anti-Virus3.12.14.2n/a
Command AntivirusAuthentium5.2.11.5n/a
Avg Anti-VirusAvg10.0.0.1190n/a
BitdefenderBitdefender7.2n/a
Anti-MalwareEmsisoft5.1.0.1n/a
15 more affected products in the full CVE brief

Timeline

  1. Publicly disclosed

    Mar 21, 2012

  2. Added to Industry KEV feed

    Dec 7, 2023

  3. Last updated

    Apr 28, 2026

Weakness Type

  • CWE-264

References

7 more references in the full CVE brief

FAQ

Common Questions.

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