ALSA-2026:42096

    Dashboard / Vulnerabilities / ALSA-2026:42096

    ALSA-2026:42096

    Published: 20 Jul 2026Last Modified: 21 Jul 2026

    Summary: Important: c-ares security update

    Details: The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API. Security Fix(es): * c-ares: c-ares: Use-after-free / double-free in query-completion handling (CVE-2026-33630) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    References: https://access.redhat.com/errata/RHSA-2026:42096, https://access.redhat.com/security/cve/CVE-2026-33630, https://bugzilla.redhat.com/2497686, https://errata.almalinux.org/10/ALSA-2026-42096.html

    Affected packages

    Package

    Name: c-ares

    Purl: pkg:rpm/almalinux/c-ares

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.34.6-2.el10_2

    Affected versions

    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
    ALSA-2026:42096 | CVE-DB