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    CVE-2007-2650

    The OLE2 parser in Clam AntiVirus (ClamAV) allows remote attackers to cause a denial of service (resource consumption) via an OLE2 file with (1) a large property size or (2) a loop in the FAT file block chain that triggers an infinite loop, as demonstrated via a crafted DOC file.

    Published:May 14, 2007
    Last Modified:Apr 23, 2026
    EPS:May 14, 2007
    EPSS Score:0.0499
    CVSS Score:4.3

    Affected Products

    Vendor
    Clamav
    Product
    Clamav
    Vendor
    Debian
    Product
    Debian Linux

    Exploits

    No exploit reference

    Related CVEs

    CVE-2020-37167 (CVSS 8.6) — ClamAV versions prior to 0.103.0-rc contain a vulnerability in function name processing through the ClamBC byt…
    CVE-2025-20260 (CVSS 9.8) — A vulnerability in the PDF scanning processes of ClamAV could allow an unauthenticated, remote attacker to cau…
    CVE-2025-20234 (CVSS 5.3) — A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote att…
    CVE-2025-20128 (CVSS 5.3) — A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine of ClamAV could allow an unaut…
    CVE-2024-20506 (CVSS 6.1) — A vulnerability in the ClamD service module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior version…
    CVE-2024-20505 (CVSS 4) — A vulnerability in the PDF parsing module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions,…
    CVE-2024-20380 (CVSS 7.5) — A vulnerability in the HTML parser of ClamAV could allow an unauthenticated, remote attacker to cause a denial…
    CVE-2024-20328 (CVSS 5.3) — A vulnerability in the VirusEvent feature of ClamAV could allow a local attacker to inject arbitrary commands …
    CVE-2022-20803 (CVSS 8.6) — A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allo…
    CVE-2023-20052 (CVSS 5.3) — On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerabilit…

    References

    http://article.gmane.org/gmane.comp.security.virus.clamav.devel/2853
    http://kolab.org/security/kolab-vendor-notice-15.txt
    http://lurker.clamav.net/message/20070418.111144.0df6c5d3.en.html
    http://secunia.com/advisories/25244
    http://secunia.com/advisories/25523
    http://secunia.com/advisories/25525
    http://secunia.com/advisories/25553
    http://secunia.com/advisories/25558
    http://secunia.com/advisories/25688
    http://secunia.com/advisories/25796
    http://security.gentoo.org/glsa/glsa-200706-05.xml
    http://svn.clamav.net/svn/clamav-devel/trunk/ChangeLog
    http://www.debian.org/security/2007/dsa-1320
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:115
    http://www.novell.com/linux/security/advisories/2007_33_clamav.html
    http://www.securityfocus.com/bid/24316
    http://www.trustix.org/errata/2007/0020/
    http://www.vupen.com/english/advisories/2007/1776
    http://article.gmane.org/gmane.comp.security.virus.clamav.devel/2853
    http://kolab.org/security/kolab-vendor-notice-15.txt
    http://lurker.clamav.net/message/20070418.111144.0df6c5d3.en.html
    http://secunia.com/advisories/25244
    http://secunia.com/advisories/25523
    http://secunia.com/advisories/25525
    http://secunia.com/advisories/25553
    http://secunia.com/advisories/25558
    http://secunia.com/advisories/25688
    http://secunia.com/advisories/25796
    http://security.gentoo.org/glsa/glsa-200706-05.xml
    http://svn.clamav.net/svn/clamav-devel/trunk/ChangeLog
    http://www.debian.org/security/2007/dsa-1320
    http://www.mandriva.com/security/advisories?name=MDKSA-2007:115
    http://www.novell.com/linux/security/advisories/2007_33_clamav.html
    http://www.securityfocus.com/bid/24316
    http://www.trustix.org/errata/2007/0020/
    http://www.vupen.com/english/advisories/2007/1776

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High