PatchTheCVECVE-2012-1462: The ZIP file parser in AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, Quick Heal (aka
40
This week
MEDIUM 4.3DOWNGRADEDOWNGRADEDOWNGRADE
CVE-2012-1462 is a medium-severity flaw (CVSS 4.3) affecting v3 internet security, esafe, avg anti-virus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 re
Why this priority
- EPSS top 1%: very likely to be exploited
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 4.3 (Medium) |
| EPSS exploit chance | 97.8% (top 1%) |
| CISA exploited list | No |
| Weakness | CWE-264 |
| Published | 2012-03-21 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
ahnlab v3 internet security DOWNGRADE
Affected: 2011.01.18.00
Fixed in: no fixed release known
Safe to downgrade to: a release before 2011.01.18.00
1. Check installed version
apt-cache policy v3-internet-security || rpm -q v3-internet-security || v3-internet-security --version
2. No fixed release: DOWNGRADE to a release before 2011.01.18.00 (Debian / Ubuntu)
apt-cache madison v3-internet-security
sudo apt install v3-internet-security=<VERSION_BEFORE_2011.01.18.00>
sudo apt-mark hold v3-internet-security
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list v3-internet-security
sudo dnf downgrade v3-internet-security-<VERSION_BEFORE_2011.01.18.00>
sudo dnf versionlock add v3-internet-security
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
aladdin esafe DOWNGRADE
Affected: 7.0.17.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 7.0.17.0
1. Check installed version
apt-cache policy esafe || rpm -q esafe || esafe --version
2. No fixed release: DOWNGRADE to a release before 7.0.17.0 (Debian / Ubuntu)
apt-cache madison esafe
sudo apt install esafe=<VERSION_BEFORE_7.0.17.0>
sudo apt-mark hold esafe
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list esafe
sudo dnf downgrade esafe-<VERSION_BEFORE_7.0.17.0>
sudo dnf versionlock add esafe
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
avg avg anti-virus DOWNGRADE
Affected: 10.0.0.1190
Fixed in: no fixed release known
Safe to downgrade to: a release before 10.0.0.1190
1. Check installed version
apt-cache policy avg-anti-virus || rpm -q avg-anti-virus || avg-anti-virus --version
2. No fixed release: DOWNGRADE to a release before 10.0.0.1190 (Debian / Ubuntu)
apt-cache madison avg-anti-virus
sudo apt install avg-anti-virus=<VERSION_BEFORE_10.0.0.1190>
sudo apt-mark hold avg-anti-virus
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list avg-anti-virus
sudo dnf downgrade avg-anti-virus-<VERSION_BEFORE_10.0.0.1190>
sudo dnf versionlock add avg-anti-virus
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
cat quick heal DOWNGRADE
Affected: 11.00
Fixed in: no fixed release known
Safe to downgrade to: a release before 11.00
1. Check installed version
apt-cache policy quick-heal || rpm -q quick-heal || quick-heal --version
2. No fixed release: DOWNGRADE to a release before 11.00 (Debian / Ubuntu)
apt-cache madison quick-heal
sudo apt install quick-heal=<VERSION_BEFORE_11.00>
sudo apt-mark hold quick-heal
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list quick-heal
sudo dnf downgrade quick-heal-<VERSION_BEFORE_11.00>
sudo dnf versionlock add quick-heal
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
emsisoft anti-malware DOWNGRADE
Affected: 5.1.0.1
Fixed in: no fixed release known
Safe to downgrade to: a release before 5.1.0.1
1. Check installed version
apt-cache policy anti-malware || rpm -q anti-malware || anti-malware --version
2. No fixed release: DOWNGRADE to a release before 5.1.0.1 (Debian / Ubuntu)
apt-cache madison anti-malware
sudo apt install anti-malware=<VERSION_BEFORE_5.1.0.1>
sudo apt-mark hold anti-malware
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list anti-malware
sudo dnf downgrade anti-malware-<VERSION_BEFORE_5.1.0.1>
sudo dnf versionlock add anti-malware
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
fortinet fortinet antivirus DOWNGRADE
Affected: 4.2.254.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.2.254.0
1. Check installed version
apt-cache policy fortinet-antivirus || rpm -q fortinet-antivirus || fortinet-antivirus --version
2. No fixed release: DOWNGRADE to a release before 4.2.254.0 (Debian / Ubuntu)
apt-cache madison fortinet-antivirus
sudo apt install fortinet-antivirus=<VERSION_BEFORE_4.2.254.0>
sudo apt-mark hold fortinet-antivirus
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list fortinet-antivirus
sudo dnf downgrade fortinet-antivirus-<VERSION_BEFORE_4.2.254.0>
sudo dnf versionlock add fortinet-antivirus
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2012-1462?
v3 internet security: downgrade or apply the listed mitigation; esafe: downgrade or apply the listed mitigation; avg anti-virus: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2012-1462 being exploited?
CVE-2012-1462 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2012-1462 affect?
CVE-2012-1462 affects v3 internet security, esafe, avg anti-virus. Severity is medium (CVSS 4.3). 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 Comma
How urgent is CVE-2012-1462?
Priority 40/100. EPSS top 1%: very likely to be exploited
Software pages
Fortinet vulnerabilities · Sophos vulnerabilities · Symantec and Broadcom vulnerabilities · Kaspersky vulnerabilities
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