PatchTheCVECVE-2012-1443: The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Da
40
This week
MEDIUM 4.3DOWNGRADEDOWNGRADEDOWNGRADE
CVE-2012-1443 is a medium-severity flaw (CVSS 4.3) affecting v3 internet security, esafe, avast antivirus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Emsisoft Anti-Malware 5.1.0.1, PC Tools AntiVirus 7.0.3.5, F-Prot Antivirus 4.6.2.117, VirusBuster 13.6.151.0, Fortinet Antivirus 4.2.254.0, Antiy Labs AVL SDK 2.0.3.7, K7 AntiVir
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 | 99.6% (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.
alwil avast antivirus DOWNGRADE
Affected: 4.8.1351.0 · 5.0.677.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.8.1351.0
1. Check installed version
apt-cache policy avast-antivirus || rpm -q avast-antivirus || avast-antivirus --version
2. No fixed release: DOWNGRADE to a release before 4.8.1351.0 (Debian / Ubuntu)
apt-cache madison avast-antivirus
sudo apt install avast-antivirus=<VERSION_BEFORE_4.8.1351.0>
sudo apt-mark hold avast-antivirus
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list avast-antivirus
sudo dnf downgrade avast-antivirus-<VERSION_BEFORE_4.8.1351.0>
sudo dnf versionlock add avast-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.
anti-virus vba32 DOWNGRADE
Affected: 3.12.14.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.12.14.2
1. Check installed version
apt-cache policy vba32 || rpm -q vba32 || vba32 --version
2. No fixed release: DOWNGRADE to a release before 3.12.14.2 (Debian / Ubuntu)
apt-cache madison vba32
sudo apt install vba32=<VERSION_BEFORE_3.12.14.2>
sudo apt-mark hold vba32
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list vba32
sudo dnf downgrade vba32-<VERSION_BEFORE_3.12.14.2>
sudo dnf versionlock add vba32
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.
antiy avl sdk DOWNGRADE
Affected: 2.0.3.7
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.0.3.7
1. Check installed version
apt-cache policy avl-sdk || rpm -q avl-sdk || avl-sdk --version
2. No fixed release: DOWNGRADE to a release before 2.0.3.7 (Debian / Ubuntu)
apt-cache madison avl-sdk
sudo apt install avl-sdk=<VERSION_BEFORE_2.0.3.7>
sudo apt-mark hold avl-sdk
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list avl-sdk
sudo dnf downgrade avl-sdk-<VERSION_BEFORE_2.0.3.7>
sudo dnf versionlock add avl-sdk
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.
authentium command antivirus DOWNGRADE
Affected: 5.2.11.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 5.2.11.5
1. Check installed version
apt-cache policy command-antivirus || rpm -q command-antivirus || command-antivirus --version
2. No fixed release: DOWNGRADE to a release before 5.2.11.5 (Debian / Ubuntu)
apt-cache madison command-antivirus
sudo apt install command-antivirus=<VERSION_BEFORE_5.2.11.5>
sudo apt-mark hold command-antivirus
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list command-antivirus
sudo dnf downgrade command-antivirus-<VERSION_BEFORE_5.2.11.5>
sudo dnf versionlock add command-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-2012-1443?
v3 internet security: downgrade or apply the listed mitigation; esafe: downgrade or apply the listed mitigation; avast antivirus: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2012-1443 being exploited?
CVE-2012-1443 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-2012-1443 affect?
CVE-2012-1443 affects v3 internet security, esafe, avast antivirus. Severity is medium (CVSS 4.3). The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3
How urgent is CVE-2012-1443?
Priority 40/100. EPSS top 1%: very likely to be exploited
Software pages
Fortinet vulnerabilities · Symantec and Broadcom vulnerabilities
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