Antivirus software for Windows and Mac with malware and ransomware protection AI-generated from public sourcesThe starting point for every profile: auto-generated by 0-Doubt from public vendor materials, and not yet confirmed by the vendor or an independent analyst. Nothing here is hidden or overstated — it simply has not been reviewed yet.Where every profile starts, before the vendor or an analyst has reviewed it. A higher label means a more independent source — not a better product.How trust works →
Tools & products
We build profiles from public sources and haven't extracted a capability list for Avira. Closest sources we do hold:
3 of 5 independent trust signals established
Avira has 3 dimensions with established evidence. The rest have not been confirmed yet.
Not yet established: Independently verified · Disclosure posture
Has anyone other than the vendor confirmed this?
Nothing here has been confirmed by an independent third party yet.
Is this a real, durable business?
How long this vendor has been operating, and who stands behind them.
Infrastructure & transparency signals
2 CVEs have an estimated 10%-or-higher chance of having already been exploited despite not appearing on CISA's KEV catalog. KEV is a curated record of confirmed cases rather than a complete census, so this is where its coverage is likely thinnest — an estimate from EPSS history, not a finding. Based on a median of 2 EPSS observations per CVE.
Likely-exploited estimates here rest on a median of 2 EPSS observations per CVE — too little history to read as a trend yet. It deepens daily as scores are collected.
Heap buffer out-of-bounds write vulnerability in Avira Antivirus engine when scanning a malformed POSIX tar archive may allow Local Execution of Code or Denial-of-Service of the antivirus engine proce…
Information disclosure vulnerability in Avira Password Manager when used with Mozilla Firefox may allow a remote attacker operating a cross-origin iframe to obtain credentials autofilled for the paren…
Not a quality rating or endorsement — a measure of how much verified, disclosed data we actually have about this vendor. A low score usually means "we don't have much verified information yet," not "this is a bad vendor." Never used to sort or rank vendor lists.
The platform admin controls the formula's weights.
Product information on this page is auto-generated by 0-Doubt from public sources and not yet confirmed by the vendor or an independent analyst, unless an item is individually labelled otherwise. How trust works →
What do they do when something goes wrong?
What their public record shows about handling vulnerabilities and outages.
Do they tell you the awkward things unprompted?
How much this vendor volunteers before you have to ask.
Are they still shipping, or coasting?
Whether this vendor is visibly still building.
Use-after-free vulnerability in the Update Manager service in Avira Management Console allows remote attackers to execute arbitrary code via a large header.
The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast! Antivirus 4.8.1351.0 and 5.0.677.…
The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast! Antivirus 4.8.1351.0 and 5.0.677.0, AVG Anti-Virus 10.0.0.1190, Bitdefender …
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 Symante…
The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, Quick Heal (aka Cat QuickHeal) 11.00, Emsisoft Anti-Malware 5.1.0.1, Fortinet Antiv…
Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This …
Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process.…
Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable file may allow Local Execution of Code or Denial-of-Service …
Null pointer dereference vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus engine process. This issue affects Avira Antivi…
Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed Windows MSI file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process…
Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This …
Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This …
Avira Internet Security contains a time-of-check time-of-use (TOCTOU) vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan …
Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privil…
Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\…
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine pro…
Link Following Local Privilege Escalation Vulnerability in System Speedup Service in Avira Operations GmbH Avira Prime Version 1.1.96.2 on Windows 10 x64 allows local attackers to escalate privileges …
Local Privilege Escalation in Avira.Spotlight.Service.exe in Avira Prime 1.1.96.2 on Windows 10 x64 allows local attackers to gain system-level privileges via arbitrary file deletion
Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first o…
An issue was discovered in Avira Phantom VPN through 2.23.1 for macOS. The VPN client insecurely configures the operating system such that all IP traffic to the VPN server's IP address is sent in plai…
A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-servic…
Avira Security for Windows contains an unquoted service path which allows attackers with local administrative privileges to cause a Denial of Service. The issue was fixed with Avira Security version 1…
Norton, Avira, Avast and AVG Antivirus for Windows may be susceptible to a Privilege Escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software appli…
