Red Hat Security Advisory: hplip security, bug fix, and enhancement update

Fixed packages 3

Vulnerabilities 11

• Critical 9.3
  CVE-2026-91104

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• Critical 9.3
  CVE-2026-91106

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• High 8.6
  CVE-2026-91098

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• High 8.6
  CVE-2026-91105

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• High 8.4
  CVE-2026-91102

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• High 7.0
  CVE-2026-91097 Public exploit

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• Medium 6.8
  CVE-2026-91100

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• Medium 5.9
  CVE-2025-43023

  HP Linux Imaging and Printing Software - Use of DSA Key

  A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software documentation. This potential vulnerability is due to the use of a weak code signing key, Digital Signature Algorithm (DSA).

  HP HP Linux Imaging and Printing Software hplip Linux Ubuntu
  Jul 28, 2025
• Medium 5.1
  CVE-2026-91099

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• Medium 5.1
  CVE-2026-91101

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026
• Medium 5.1
  CVE-2026-91103

  HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

  HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, o…

  HP HP Linux Imaging and Printing Software (HPLIP) hplip hplip Linux Debian Ubuntu Alpine
  Sep 16, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2384011
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535600
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535603
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535607
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535613
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535614
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535615
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535617
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535618
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535621
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2535622
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_82883.json
• report
  https://access.redhat.com/security/cve/CVE-2025-43023
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-43023
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-43023
• article
  https://support.hp.com/us-en/document/ish_12804224-12804228-16/hpsbpi04033
• article
  https://www.openwall.com/lists/oss-security/2025/08/22/4
• report
  https://access.redhat.com/security/cve/CVE-2026-91097
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-91097
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-91097
• article
  https://support.hp.com/us-en/document/ish_15646959-15646984-16/hpsbpi04151
• report
  https://access.redhat.com/security/cve/CVE-2026-91098
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-91098
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-91098
• report
  https://access.redhat.com/security/cve/CVE-2026-91099
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-91099
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-91099
• report
  https://access.redhat.com/security/cve/CVE-2026-91100
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-91100
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-91100
• report
  https://access.redhat.com/security/cve/CVE-2026-91101
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-91101
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-91101
• report
  https://access.redhat.com/security/cve/CVE-2026-91102
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-91102
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-91102
• report
  https://access.redhat.com/security/cve/CVE-2026-91103
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-91103