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    CVE-2009-0385

    Integer signedness error in the fourxm_read_header function in libavformat/4xm.c in FFmpeg before revision 16846 allows remote attackers to execute arbitrary code via a malformed 4X movie file with a large current_track value, which triggers a NULL pointer dereference.

    Published:Feb 2, 2009
    Last Modified:Apr 23, 2026
    EPS:Feb 2, 2009
    EPSS Score:0.11552
    CVSS Score:9.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Ffmpeg
    Product
    Ffmpeg

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    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…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://git.ffmpeg.org/?p=ffmpeg%3Ba=commitdiff%3Bh=72e715fb798f2cb79fd24a6d2eaeafb7c6eeda17
    http://osvdb.org/51643
    http://secunia.com/advisories/33711
    http://secunia.com/advisories/34296
    http://secunia.com/advisories/34385
    http://secunia.com/advisories/34712
    http://secunia.com/advisories/34845
    http://secunia.com/advisories/34905
    http://security.gentoo.org/glsa/glsa-200903-33.xml
    http://svn.mplayerhq.hu/ffmpeg/trunk/libavformat/4xm.c?r1=16838&r2=16846&pathrev=16846
    http://svn.mplayerhq.hu/ffmpeg?view=rev&revision=16846
    http://www.debian.org/security/2009/dsa-1781
    http://www.debian.org/security/2009/dsa-1782
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:297
    http://www.securityfocus.com/archive/1/500514/100/0/threaded
    http://www.securityfocus.com/bid/33502
    http://www.trapkit.de/advisories/TKADV2009-004.txt
    http://www.ubuntu.com/usn/USN-734-1
    http://www.vupen.com/english/advisories/2009/0277
    https://exchange.xforce.ibmcloud.com/vulnerabilities/48330
    https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00210.html
    https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00215.html
    http://git.ffmpeg.org/?p=ffmpeg%3Ba=commitdiff%3Bh=72e715fb798f2cb79fd24a6d2eaeafb7c6eeda17
    http://osvdb.org/51643
    http://secunia.com/advisories/33711
    http://secunia.com/advisories/34296
    http://secunia.com/advisories/34385
    http://secunia.com/advisories/34712
    http://secunia.com/advisories/34845
    http://secunia.com/advisories/34905
    http://security.gentoo.org/glsa/glsa-200903-33.xml
    http://svn.mplayerhq.hu/ffmpeg/trunk/libavformat/4xm.c?r1=16838&r2=16846&pathrev=16846
    http://svn.mplayerhq.hu/ffmpeg?view=rev&revision=16846
    http://www.debian.org/security/2009/dsa-1781
    http://www.debian.org/security/2009/dsa-1782
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:297
    http://www.securityfocus.com/archive/1/500514/100/0/threaded
    http://www.securityfocus.com/bid/33502
    http://www.trapkit.de/advisories/TKADV2009-004.txt
    http://www.ubuntu.com/usn/USN-734-1
    http://www.vupen.com/english/advisories/2009/0277
    https://exchange.xforce.ibmcloud.com/vulnerabilities/48330
    https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00210.html
    https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00215.html

    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