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OpenAdvisories
High RHSA-2026:1477 1 CVE

Red Hat Security Advisory: curl security update

Published Jan 29, 2026 · Updated Oct 16, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 curl 0:8.12.1-1.el10_0.4
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libcurl 0:8.12.1-1.el10_0.4
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 libcurl-minimal 0:8.12.1-1.el10_0.4

Vulnerabilities 1

  • High 7.5
    CVE-2025-9086

    Out of bounds read for cookie path

    1. A cookie is set using the `secure` keyword for `https://target` 2. curl is redirected to or otherwise made to speak with `http://target` (same hostname, but using clear text HTTP) using the same cookie set 3. The same cookie name is set - but with only a s…

    curl curl curl curl Debian Ubuntu Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2394750
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1477.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-9086
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-9086
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-9086
  • article
    https://curl.se/docs/CVE-2025-9086.html
  • article
    https://curl.se/docs/CVE-2025-9086.json
  • article
    https://github.com/curl/curl/commit/c6ae07c6a541e0e96d0040afb6
  • article
    https://hackerone.com/reports/3294999