CVE-2007-3123

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 5.0 · Medium

External lookup

Potential internet exposure

Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2007-3123.

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Product CPE queries

Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.

cpe:2.3:a:clam_anti-virus:clamavSearch this product on Shodan

Exact CVE query

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Metadata

Canonical fields

NVD status

Unavailable

Published

Jun 7, 2007

Modified

Jun 16, 2026

Official record

Authoritative NVD record

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

CWE IDs

Unavailable

Vendor classifications

How this vector reads

CVSS 2.0 base metrics decoded below. This explanation does not recalculate or change the NVD score.

Access Vector (AV): Network. The vulnerable system can be reached across network boundaries.
Access Complexity (AC): Low. No special conditions beyond the attacker-controlled steps are required.
Authentication (Au): None. The attacker does not need to authenticate.
Confidentiality Impact (C): None. There is no impact to this security property.
Integrity Impact (I): None. There is no impact to this security property.
Availability Impact (A): Partial. There is a limited impact to this security property.

Signals

Exploitation indicators

0 stored signals · no KEV · 0 OTX pulses