7.5

CVE-2006-4626: alwil avast_antivirus

CVSS: 7.5v2.0HighModified
Published 07-09-2006Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2006-4626 is a high (CVSS 7.5) vulnerability in alwil avast_antivirus. EPSS estimates a 4.79% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
4.79%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 07-09-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.79%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.09 pp

From 4.70% on 20-09-2026

20-09-202620-10-2026
EPSS score
4.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hustlelabs.com)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Alwil1 product
  • avast_antivirus≤ 4.6.460 | ≤ 4.6.763 | 4.0.168 | 4.0.172 | 4.0.183 | 4.0.202 | 4.0.211 | 4.0.229 | 4.0.235 | 4.1.260 | 4.1.268 | 4.1.278 | 4.1.287 | 4.1.289 | 4.1.304 | 4.1.319 | 4.1.335 | 4.1.342 | 4.1.357 | 4.1.389 | 4.1.396 | 4.1.412 | 4.1.418 | 4.1.501 | 4.5.518 | 4.5.549 | 4.5.561 | 4.6.603 | 4.6.623

1 vendor · 1 product

References

4 links