CVE-2012-1462
MediumThe ZIP file parser in AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, Quick Heal (aka Cat QuickHeal) 11.00, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin…
Published Mar 21, 2012 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2012-1462 is a medium-severity vulnerability (CVSS 4.3 v2) affecting V3 Internet Security (Ahnlab), Esafe (Aladdin), Avg Anti-Virus and 7 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 98% 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 very likely to be exploited soon.
CVSS v2
4.3
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS (30-day exploit likelihood)
98%
Higher than 99.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2012-1462 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
The ZIP file parser in AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, Quick Heal (aka Cat QuickHeal) 11.00, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin Antivirus 13.0.900, Kaspersky Anti-Virus 7.0.0.125, Norman Antivirus 6.06.12, Sophos Anti-Virus 4.61.0, and AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11 allows remote attackers to bypass malware detection via a ZIP file containing an invalid block of data at the beginning. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different ZIP parser implementations.
Affected Products
10 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| V3 Internet SecurityAhnlab | 2011.01.18.00 | n/a |
| EsafeAladdin | 7.0.17.0 | n/a |
| Avg Anti-VirusAvg | 10.0.0.1190 | n/a |
| Quick HealCat | 11.00 | n/a |
| Anti-MalwareEmsisoft | 5.1.0.1 | n/a |
Timeline
Publicly disclosed
Mar 21, 2012
Last updated
Apr 28, 2026
Weakness Type
- CWE-264
References
FAQ
Common Questions.
The ZIP file parser in AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, Quick Heal (aka Cat QuickHeal) 11.00, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin Antivirus 13.0.900, Kaspersky Anti-Virus 7.0…
Affected: V3 Internet Security (Ahnlab) versions 2011.01.18.00; Esafe (Aladdin) versions 7.0.17.0; Avg Anti-Virus versions 10.0.0.1190, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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