RHSA-2026:65442

    Dashboard / Vulnerabilities / RHSA-2026:65442

    RHSA-2026:65442

    Published: 9 Sept 2026Last Modified: 10 Sept 2026

    Summary: Red Hat Security Advisory: firefox security update

    Details:

    References: https://access.redhat.com/errata/RHSA-2026:65442, https://access.redhat.com/security/updates/classification/#important, https://bugzilla.redhat.com/show_bug.cgi?id=2517819, https://bugzilla.redhat.com/show_bug.cgi?id=2517820, https://bugzilla.redhat.com/show_bug.cgi?id=2517822, https://bugzilla.redhat.com/show_bug.cgi?id=2517823, https://bugzilla.redhat.com/show_bug.cgi?id=2517825, https://bugzilla.redhat.com/show_bug.cgi?id=2517826, https://bugzilla.redhat.com/show_bug.cgi?id=2517831, https://bugzilla.redhat.com/show_bug.cgi?id=2517833, https://bugzilla.redhat.com/show_bug.cgi?id=2517834, https://bugzilla.redhat.com/show_bug.cgi?id=2517835, https://bugzilla.redhat.com/show_bug.cgi?id=2517836, https://bugzilla.redhat.com/show_bug.cgi?id=2517837, https://bugzilla.redhat.com/show_bug.cgi?id=2517839, https://bugzilla.redhat.com/show_bug.cgi?id=2517840, https://bugzilla.redhat.com/show_bug.cgi?id=2517841, https://bugzilla.redhat.com/show_bug.cgi?id=2517845, https://bugzilla.redhat.com/show_bug.cgi?id=2517846, https://bugzilla.redhat.com/show_bug.cgi?id=2517849, https://bugzilla.redhat.com/show_bug.cgi?id=2517851, https://bugzilla.redhat.com/show_bug.cgi?id=2517853, https://bugzilla.redhat.com/show_bug.cgi?id=2517856, https://bugzilla.redhat.com/show_bug.cgi?id=2517858, https://bugzilla.redhat.com/show_bug.cgi?id=2517859, https://bugzilla.redhat.com/show_bug.cgi?id=2517860, https://bugzilla.redhat.com/show_bug.cgi?id=2517862, https://bugzilla.redhat.com/show_bug.cgi?id=2517863, https://bugzilla.redhat.com/show_bug.cgi?id=2517866, https://bugzilla.redhat.com/show_bug.cgi?id=2517868, https://bugzilla.redhat.com/show_bug.cgi?id=2517870, https://bugzilla.redhat.com/show_bug.cgi?id=2517872, https://bugzilla.redhat.com/show_bug.cgi?id=2517874, https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_65442.json, https://access.redhat.com/security/cve/CVE-2026-74934, https://www.cve.org/CVERecord?id=CVE-2026-74934, https://nvd.nist.gov/vuln/detail/CVE-2026-74934, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74934, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74934, https://access.redhat.com/security/cve/CVE-2026-74935, https://www.cve.org/CVERecord?id=CVE-2026-74935, https://nvd.nist.gov/vuln/detail/CVE-2026-74935, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74935, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74935, https://access.redhat.com/security/cve/CVE-2026-74936, https://www.cve.org/CVERecord?id=CVE-2026-74936, https://nvd.nist.gov/vuln/detail/CVE-2026-74936, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74936, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74936, https://access.redhat.com/security/cve/CVE-2026-74939, https://www.cve.org/CVERecord?id=CVE-2026-74939, https://nvd.nist.gov/vuln/detail/CVE-2026-74939, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74939, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74939, https://access.redhat.com/security/cve/CVE-2026-74940, https://www.cve.org/CVERecord?id=CVE-2026-74940, https://nvd.nist.gov/vuln/detail/CVE-2026-74940, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74940, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74940, https://access.redhat.com/security/cve/CVE-2026-74941, https://www.cve.org/CVERecord?id=CVE-2026-74941, https://nvd.nist.gov/vuln/detail/CVE-2026-74941, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74941, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74941, https://access.redhat.com/security/cve/CVE-2026-74942, https://www.cve.org/CVERecord?id=CVE-2026-74942, https://nvd.nist.gov/vuln/detail/CVE-2026-74942, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74942, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74942, https://access.redhat.com/security/cve/CVE-2026-74943, https://www.cve.org/CVERecord?id=CVE-2026-74943, https://nvd.nist.gov/vuln/detail/CVE-2026-74943, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74943, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74943, https://access.redhat.com/security/cve/CVE-2026-74944, https://www.cve.org/CVERecord?id=CVE-2026-74944, https://nvd.nist.gov/vuln/detail/CVE-2026-74944, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74944, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74944, https://access.redhat.com/security/cve/CVE-2026-74945, https://www.cve.org/CVERecord?id=CVE-2026-74945, https://nvd.nist.gov/vuln/detail/CVE-2026-74945, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74945, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74945, https://access.redhat.com/security/cve/CVE-2026-74946, https://www.cve.org/CVERecord?id=CVE-2026-74946, https://nvd.nist.gov/vuln/detail/CVE-2026-74946, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74946, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74946, https://access.redhat.com/security/cve/CVE-2026-74948, https://www.cve.org/CVERecord?id=CVE-2026-74948, https://nvd.nist.gov/vuln/detail/CVE-2026-74948, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74948, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74948, https://access.redhat.com/security/cve/CVE-2026-74949, https://www.cve.org/CVERecord?id=CVE-2026-74949, https://nvd.nist.gov/vuln/detail/CVE-2026-74949, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74949, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74949, https://access.redhat.com/security/cve/CVE-2026-74953, https://www.cve.org/CVERecord?id=CVE-2026-74953, https://nvd.nist.gov/vuln/detail/CVE-2026-74953, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74953, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74953, https://access.redhat.com/security/cve/CVE-2026-74957, https://www.cve.org/CVERecord?id=CVE-2026-74957, https://nvd.nist.gov/vuln/detail/CVE-2026-74957, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74957, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74957, https://access.redhat.com/security/cve/CVE-2026-74959, https://www.cve.org/CVERecord?id=CVE-2026-74959, https://nvd.nist.gov/vuln/detail/CVE-2026-74959, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74959, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74959, https://access.redhat.com/security/cve/CVE-2026-74960, https://www.cve.org/CVERecord?id=CVE-2026-74960, https://nvd.nist.gov/vuln/detail/CVE-2026-74960, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74960, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74960, https://access.redhat.com/security/cve/CVE-2026-74962, https://www.cve.org/CVERecord?id=CVE-2026-74962, https://nvd.nist.gov/vuln/detail/CVE-2026-74962, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74962, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74962, https://access.redhat.com/security/cve/CVE-2026-74963, https://www.cve.org/CVERecord?id=CVE-2026-74963, https://nvd.nist.gov/vuln/detail/CVE-2026-74963, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74963, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74963, https://access.redhat.com/security/cve/CVE-2026-74964, https://www.cve.org/CVERecord?id=CVE-2026-74964, https://nvd.nist.gov/vuln/detail/CVE-2026-74964, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74964, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74964, https://access.redhat.com/security/cve/CVE-2026-74965, https://www.cve.org/CVERecord?id=CVE-2026-74965, https://nvd.nist.gov/vuln/detail/CVE-2026-74965, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74965, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74965, https://access.redhat.com/security/cve/CVE-2026-74967, https://www.cve.org/CVERecord?id=CVE-2026-74967, https://nvd.nist.gov/vuln/detail/CVE-2026-74967, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74967, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74967, https://access.redhat.com/security/cve/CVE-2026-74969, https://www.cve.org/CVERecord?id=CVE-2026-74969, https://nvd.nist.gov/vuln/detail/CVE-2026-74969, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74969, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74969, https://access.redhat.com/security/cve/CVE-2026-74971, https://www.cve.org/CVERecord?id=CVE-2026-74971, https://nvd.nist.gov/vuln/detail/CVE-2026-74971, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74971, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74971, https://access.redhat.com/security/cve/CVE-2026-74972, https://www.cve.org/CVERecord?id=CVE-2026-74972, https://nvd.nist.gov/vuln/detail/CVE-2026-74972, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74972, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74972, https://access.redhat.com/security/cve/CVE-2026-74973, https://www.cve.org/CVERecord?id=CVE-2026-74973, https://nvd.nist.gov/vuln/detail/CVE-2026-74973, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74973, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74973, https://access.redhat.com/security/cve/CVE-2026-74974, https://www.cve.org/CVERecord?id=CVE-2026-74974, https://nvd.nist.gov/vuln/detail/CVE-2026-74974, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74974, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74974, https://access.redhat.com/security/cve/CVE-2026-74976, https://www.cve.org/CVERecord?id=CVE-2026-74976, https://nvd.nist.gov/vuln/detail/CVE-2026-74976, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74976, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74976, https://access.redhat.com/security/cve/CVE-2026-74983, https://www.cve.org/CVERecord?id=CVE-2026-74983, https://nvd.nist.gov/vuln/detail/CVE-2026-74983, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74983, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74983, https://access.redhat.com/security/cve/CVE-2026-74987, https://www.cve.org/CVERecord?id=CVE-2026-74987, https://nvd.nist.gov/vuln/detail/CVE-2026-74987, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74987, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74987, https://access.redhat.com/security/cve/CVE-2026-74990, https://www.cve.org/CVERecord?id=CVE-2026-74990, https://nvd.nist.gov/vuln/detail/CVE-2026-74990, https://www.mozilla.org/security/advisories/mfsa2026-76/#CVE-2026-74990, https://www.mozilla.org/security/advisories/mfsa2026-79/#CVE-2026-74990

    Affected packages

    Package

    Name: firefox

    Purl: pkg:rpm/redhat/firefox

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:140.14.0-1.el7_9

    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
    RHSA-2026:65442 | CVE-DB