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    CVE-2019-15165

    sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory.

    Published:Sep 20, 2019
    Last Modified:Dec 3, 2025
    EPS:Oct 3, 2019
    EPSS Score:0.01484
    CVSS Score:5.3

    Affected Products

    Vendor
    Apple
    Product
    Ipados
    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Tvos
    Vendor
    Apple
    Product
    Watchos
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Oracle
    Product
    Communications Operations Monitor
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Tcpdump
    Product
    Libpcap

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-65331 (CVSS 4.3) — This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 …
    CVE-2026-64760 (CVSS 5.5) — An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.10 and iPadOS…
    CVE-2026-43794 (CVSS 8.8) — A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65346 (CVSS 8.8) — An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6.1 and iPadOS…
    CVE-2026-65351 (CVSS 4.3) — This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 26.6.1 a…
    CVE-2026-64782 (CVSS 3.1) — A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65347 (CVSS 6.5) — The issue was addressed with improved checks. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe…
    CVE-2026-43795 (CVSS 4.3) — The issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and i…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00051.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00052.html
    http://seclists.org/fulldisclosure/2019/Dec/26
    https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
    https://github.com/the-tcpdump-group/libpcap/commit/87d6bef033062f969e70fa40c43dfd945d5a20ab
    https://github.com/the-tcpdump-group/libpcap/commit/a5a36d9e82dde7265e38fe1f87b7f11c461c29f6
    https://lists.debian.org/debian-lts-announce/2019/10/msg00031.html
    https://lists.debian.org/debian-lts-announce/2021/12/msg00014.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/
    https://seclists.org/bugtraq/2019/Dec/23
    https://support.apple.com/kb/HT210785
    https://support.apple.com/kb/HT210788
    https://support.apple.com/kb/HT210789
    https://support.apple.com/kb/HT210790
    https://usn.ubuntu.com/4221-1/
    https://usn.ubuntu.com/4221-2/
    https://www.oracle.com/security-alerts/cpuapr2020.html
    https://www.tcpdump.org/public-cve-list.txt
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00051.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00052.html
    http://seclists.org/fulldisclosure/2019/Dec/26
    https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
    https://github.com/the-tcpdump-group/libpcap/commit/87d6bef033062f969e70fa40c43dfd945d5a20ab
    https://github.com/the-tcpdump-group/libpcap/commit/a5a36d9e82dde7265e38fe1f87b7f11c461c29f6
    https://lists.debian.org/debian-lts-announce/2019/10/msg00031.html
    https://lists.debian.org/debian-lts-announce/2021/12/msg00014.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/
    https://seclists.org/bugtraq/2019/Dec/23
    https://support.apple.com/kb/HT210785
    https://support.apple.com/kb/HT210788
    https://support.apple.com/kb/HT210789
    https://support.apple.com/kb/HT210790
    https://usn.ubuntu.com/4221-1/
    https://usn.ubuntu.com/4221-2/
    https://www.oracle.com/security-alerts/cpuapr2020.html
    https://www.tcpdump.org/public-cve-list.txt

    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