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OpenAdvisories
Medium RHSA-2026:7432 3 CVEs

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published Oct 16, 2026 · Updated Oct 16, 2026

Ecosystem: Red Hat

Fixed packages 4

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 curl 0:8.19.0-3.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 libcurl 0:8.19.0-3.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 libcurl-devel 0:8.19.0-3.1.hum1
Red Hat · Hardened Images 1 hummingbird:1 libcurl-minimal 0:8.19.0-3.1.hum1

Vulnerabilities 3

  • Medium 6.5
    CVE-2026-1965

    bad reuse of HTTP Negotiate connection

    libcurl can in some circumstances reuse the wrong connection when asked to do an Negotiate-authenticated HTTP or HTTPS request. libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid overhead. When …

    curl curl curl curl Debian Ubuntu Azure Linux Alpine
  • Medium 6.5
    CVE-2026-3784

    wrong proxy connection reuse with credentials

    curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a server, even if the new request uses different credentials for the HTTP proxy. The proper behavior is to create or use a separate connection.

    curl curl curl curl Debian Ubuntu Azure Linux Alpine
  • Medium 5.3
    CVE-2026-3783

    token leak with redirect and netrc

    When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer performs a redirect to a second URL, curl could leak that token to the second hostname under some circumstances. If the hostname that the first request is redirected to has informa…

    curl curl curl curl Debian Ubuntu Azure Linux Alpine

References

  • article
    https://images.redhat.com/
  • report
    https://access.redhat.com/security/cve/CVE-2026-3783
  • article
    https://access.redhat.com/security/updates/classification/
  • report
    https://access.redhat.com/security/cve/CVE-2026-3784
  • report
    https://access.redhat.com/security/cve/CVE-2026-1965
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7432.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2446448
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-1965
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-1965
  • article
    https://curl.se/docs/CVE-2026-1965.html
  • article
    https://curl.se/docs/CVE-2026-1965.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2446450
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-3783
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-3783
  • article
    http://www.openwall.com/lists/oss-security/2026/03/11/2
  • article
    https://curl.se/docs/CVE-2026-3783.html
  • article
    https://curl.se/docs/CVE-2026-3783.json
  • article
    https://hackerone.com/reports/3583983
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2446449
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-3784
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-3784
  • article
    http://www.openwall.com/lists/oss-security/2026/03/11/3
  • article
    https://curl.se/docs/CVE-2026-3784.html
  • article
    https://curl.se/docs/CVE-2026-3784.json
  • article
    https://hackerone.com/reports/3584903