Product by Debian

    C-ares

    6 known vulnerabilities in C-ares (Debian), 0 of them actively exploited (CISA KEV).

    Key figures

    6

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    1

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in C-ares (Debian)
    CriticalCVE-2016-5180

    C-ares: Heap-Based Buffer Overflow

    also in 5 other products

    9.8
    MediumCVE-2021-3672

    C-ares: Cross-site Scripting

    also in 16 other products

    5.6
    HighCVE-2023-32067

    0-byte UDP payload DoS in c-ares

    also in 5 other products

    7.5
    MediumCVE-2020-22217

    C-ares: Buffer Overflow

    also in 3 other products

    5.9
    MediumCVE-2025-62408

    c-ares has a Use After Free vulnerability when connection is cleaned up after error

    also in 2 other products

    5.9
    MediumCVE-2023-31130

    Buffer Underwrite in ares_inet_net_pton()

    also in 5 other products

    4.1

    All products by Debian