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    CVE-2013-2021

    pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted length value in an encrypted PDF file.

    Published:May 13, 2013
    Last Modified:Apr 11, 2025
    EPS:May 13, 2013
    EPSS Score:0.08227
    CVSS Score:4.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Clamav
    Product
    Clamav
    Vendor
    Suse
    Product
    Linux Enterprise Server

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
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    References

    http://blog.clamav.net/2013/04/clamav-0978-has-been-released.html
    http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
    http://lists.apple.com/archives/security-announce/2013/Sep/msg00004.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109514.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109639.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109652.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105575.html
    http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00006.html
    http://lists.opensuse.org/opensuse-updates/2013-06/msg00018.html
    http://lists.opensuse.org/opensuse-updates/2013-06/msg00020.html
    http://secunia.com/advisories/53150
    http://secunia.com/advisories/53182
    http://support.apple.com/kb/HT5880
    http://support.apple.com/kb/HT5892
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:159
    http://www.openwall.com/lists/oss-security/2013/04/25/2
    http://www.openwall.com/lists/oss-security/2013/04/29/20
    http://www.securityfocus.com/bid/59434
    http://www.ubuntu.com/usn/USN-1816-1
    https://bugzilla.clamav.net/show_bug.cgi?id=7053
    https://github.com/vrtadmin/clamav-devel/commit/24ff855c82d3f5c62bc5788a5776cefbffce2971
    http://blog.clamav.net/2013/04/clamav-0978-has-been-released.html
    http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
    http://lists.apple.com/archives/security-announce/2013/Sep/msg00004.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109514.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109639.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-June/109652.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105575.html
    http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00006.html
    http://lists.opensuse.org/opensuse-updates/2013-06/msg00018.html
    http://lists.opensuse.org/opensuse-updates/2013-06/msg00020.html
    http://secunia.com/advisories/53150
    http://secunia.com/advisories/53182
    http://support.apple.com/kb/HT5880
    http://support.apple.com/kb/HT5892
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:159
    http://www.openwall.com/lists/oss-security/2013/04/25/2
    http://www.openwall.com/lists/oss-security/2013/04/29/20
    http://www.securityfocus.com/bid/59434
    http://www.ubuntu.com/usn/USN-1816-1
    https://bugzilla.clamav.net/show_bug.cgi?id=7053
    https://github.com/vrtadmin/clamav-devel/commit/24ff855c82d3f5c62bc5788a5776cefbffce2971

    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