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    CVE-2014-3484

    Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 and 0.9.13 through 1.0.3 allow remote attackers to (1) have unspecified impact via an invalid name length in a DNS response or (2) cause a denial of service (crash) via an invalid name length in a DNS response, related to an infinite loop with no output.

    Published:Feb 20, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 20, 2020
    EPSS Score:0.01794
    CVSS Score:9.8

    Affected Products

    Vendor
    Musl-libc
    Product
    Musl

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-40200 (CVSS 8.1) — An issue was discovered in musl libc 0.7.10 through 1.2.6. Stack-based memory corruption can occur during qsor…
    CVE-2025-26519 (CVSS 8.1) — musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacker can trig…
    CVE-2020-28928 (CVSS 5.5) — In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and sourc…
    CVE-2019-14697 (CVSS 9.8) — musl libc through 1.1.23 has an x87 floating-point stack adjustment imbalance, related to the math/i386/ direc…
    CVE-2017-15650 (CVSS 7.5) — musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lo…
    CVE-2015-1817 (CVSS 9.8) — Stack-based buffer overflow in the inet_pton function in network/inet_pton.c in musl libc 0.9.15 through 1.0.4…

    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