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    CVE-2015-8948

    idn in GNU libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds read.

    Published:Aug 10, 2015
    Last Modified:Apr 12, 2025
    EPS:Sep 7, 2016
    EPSS Score:0.02613
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Gnu
    Product
    Libidn
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Opensuse
    Product
    Opensuse

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    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.savannah.gnu.org/cgit/libidn.git/commit/?id=570e68886c41c2e765e6218cb317d9a9a447a041
    http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html
    http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
    http://www.debian.org/security/2016/dsa-3658
    http://www.openwall.com/lists/oss-security/2016/07/20/6
    http://www.openwall.com/lists/oss-security/2016/07/21/4
    http://www.securityfocus.com/bid/92070
    http://www.ubuntu.com/usn/USN-3068-1
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html
    http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=570e68886c41c2e765e6218cb317d9a9a447a041
    http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html
    http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
    http://www.debian.org/security/2016/dsa-3658
    http://www.openwall.com/lists/oss-security/2016/07/20/6
    http://www.openwall.com/lists/oss-security/2016/07/21/4
    http://www.securityfocus.com/bid/92070
    http://www.ubuntu.com/usn/USN-3068-1
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.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