How severe is CVE-2007-2973?

CVE-2007-2973 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-2973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-2973?

CVE-2007-2973 primarily affects Avira Antivir. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-2973?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-2973 published?

CVE-2007-2973 was published on 2007-06-01 and last updated on 2026-06-16.

CVE-2007-2973

CVE-2007-2973 is a high-severity vulnerability in Avira Antivir with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Avira Antivir
Published: 2007-06-01
Last modified: 2026-06-16

Description

Avira Antivir Antivirus before 7.03.00.09 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed TAR archive.

Frequently asked questions

What is CVE-2007-2973?: Avira Antivir Antivirus before 7.03.00.09 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed TAR archive.
How severe is CVE-2007-2973?: CVE-2007-2973 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-2973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2973?: CVE-2007-2973 primarily affects Avira Antivir. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-2973?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-2973 published?: CVE-2007-2973 was published on 2007-06-01 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:avira:antivir:*:*:*:*:*:*:*:*
cpe:2.3:a:avira:av_pack:*:*:*:*:*:*:*:*

More vulnerabilities in Avira Antivir

CVE-2007-2974 — Critical (CVSS 10.0): Buffer overflow in the file parsing engine in Avira Antivir Antivirus before 7.03.00.09 allows remote attackers to…
CVE-2007-2972 — High (CVSS 7.8): The file parsing engine in Avira Antivir Antivirus before 7.04.00.24 allows remote attackers to cause a denial of…
CVE-2007-1673 — High (CVSS 7.8): unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of…
CVE-2009-2761 — High (CVSS 7.2): Unquoted Windows search path vulnerability in the scheduler (sched.exe) in Avira AntiVir, AntiVir Premium, Premium…
CVE-2008-6962 — High (CVSS 7.2): Avira AntiVir Premium, Premium Security Suite, AntiVir Professional, and AntiVir Personal - FREE allows local users to…
CVE-2012-1459 — Medium (CVSS 4.3): 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,…

All CVEs affecting Avira Antivir →