Is CVE-2007-3123 actively exploited?

CVE-2007-3123 has no public evidence of in-the-wild exploitation as of 2025-04-09.

What is the CVSS score for CVE-2007-3123?

CVE-2007-3123 has a CVSS score of 5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P.

How do I patch CVE-2007-3123?

Patch guidance is available from clam anti-virus security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2007-3123.

CVE-2007-3123 - remediation guidance & executive summary

Q: Which products are affected by CVE-2007-3123?

6 products: clam anti-virus clamav, clam anti-virus clamav, clam anti-virus clamav, clam anti-virus clamav, clam anti-virus clamav, and 1 more.

Description

unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to cause a denial of service (core dump) via a crafted RAR file with a modified vm_codesize value, which triggers a heap-based buffer overflow.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: none
Integrity: none
Availability: partial
Weaknesses: NVD-CWE-Other

Metadata

Primary Vendor: CLAM_ANTI-VIRUS
Published: 6/7/2007
Last Modified: 4/9/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

clam_anti-virus : clamavclam_anti-virus : clamavclam_anti-virus : clamavclam_anti-virus : clamavclam_anti-virus : clamavclam_anti-virus : clamav

Remediation Guidance

Executive Summary

View on NIST NVD