Red Hat Product Errata RHSA-2026:39302 - Security Advisory Issued: 2026-07-14 Updated: 2026-07-14 RHSA-2026:39302 - Security Advisory Overview Updated Packages Synopsis Moderate: cups security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for cups is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems. Security Fix(es): cups: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network (CVE-2026-34980) 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 10 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 Red Hat Enterprise Linux for IBM z Systems 10 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le Red Hat Enterprise Linux for ARM 64 10 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x Fixes BZ - 2454954 - CVE-2026-34980 cups: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network CVEs CVE-2026-34980 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 10 SRPM cups-2.4.10-18.el10_2.src.rpm SHA-256: b22a069452cb9bc8d3f5dc37fa97d3f7e786549919ad12436097c61a7350503b x86_64 cups-2.4.10-18.el10_2.x86_64.rpm SHA-256: afe387a0c886c5f003050f2ba69d8fa422b489396ebb074c31fe5d2c8b4f8617 cups-client-2.4.10-18.el10_2.x86_64.rpm SHA-256: 61ed38aadef58a623902f145d0d1d25dbdfdceb19258ac2aa96af93546994217 cups-client-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 1f54d863b705adbaf7ba08b0e6017de287041249a3506f9c1b5c11a1a6d1dfe1 cups-client-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 1f54d863b705adbaf7ba08b0e6017de287041249a3506f9c1b5c11a1a6d1dfe1 cups-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 257572c1021224c714e066fdf5803810ac26d5e5222b584246af3527167e9763 cups-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 257572c1021224c714e066fdf5803810ac26d5e5222b584246af3527167e9763 cups-debugsource-2.4.10-18.el10_2.x86_64.rpm SHA-256: 9f402abaf19534521ef14f23bfe06a3b060ba9e08cae028ac88800a8349cbe25 cups-debugsource-2.4.10-18.el10_2.x86_64.rpm SHA-256: 9f402abaf19534521ef14f23bfe06a3b060ba9e08cae028ac88800a8349cbe25 cups-devel-2.4.10-18.el10_2.x86_64.rpm SHA-256: 5112eaee1c8e7995606dc9c697a36c1608e5eb20e5015811c5fc1d625b6b5674 cups-filesystem-2.4.10-18.el10_2.noarch.rpm SHA-256: 0697e149e26f91499782eb9c756a0b4a5da3e9926df8e588384e8cf2e43ec00d cups-ipptool-2.4.10-18.el10_2.x86_64.rpm SHA-256: 6fa29787a3be16ef48f111e9b4bcb260425b442198d50e9fe1fb4a731b94b750 cups-ipptool-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 985cbe863dc45862c129d2929785061d035bf1ce18ba9a90543a37b63c5b15ac cups-ipptool-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 985cbe863dc45862c129d2929785061d035bf1ce18ba9a90543a37b63c5b15ac cups-libs-2.4.10-18.el10_2.x86_64.rpm SHA-256: 7edad901c78d1d69d265205adcce4d2ae86ba136b672a238e2b69bf1b13dd3d6 cups-libs-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 515ad59b8b0db61b53a3695f7a46e42605497ed7c75f291c3af6dc7a62940e5f cups-libs-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 515ad59b8b0db61b53a3695f7a46e42605497ed7c75f291c3af6dc7a62940e5f cups-lpd-2.4.10-18.el10_2.x86_64.rpm SHA-256: f7e540b0f44f95c406929052f7796d8957ec1b7925319129c630feebf37c40b1 cups-lpd-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e9b06d1d9f7c38acda686cd3e3aacaaafc649c74eb369514f5851a91e856b5c6 cups-lpd-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e9b06d1d9f7c38acda686cd3e3aacaaafc649c74eb369514f5851a91e856b5c6 cups-printerapp-2.4.10-18.el10_2.x86_64.rpm SHA-256: 7ae1c337cccaa610c95094cb2f191fc661d66286b7812be44f3ccd429acef7b0 cups-printerapp-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e946aa945553bf72eb9804259f2b25e87f638c8b3c6cf645d8e8ef06a7a278c1 cups-printerapp-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e946aa945553bf72eb9804259f2b25e87f638c8b3c6cf645d8e8ef06a7a278c1 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM cups-2.4.10-18.el10_2.src.rpm SHA-256: b22a069452cb9bc8d3f5dc37fa97d3f7e786549919ad12436097c61a7350503b x86_64 cups-2.4.10-18.el10_2.x86_64.rpm SHA-256: afe387a0c886c5f003050f2ba69d8fa422b489396ebb074c31fe5d2c8b4f8617 cups-client-2.4.10-18.el10_2.x86_64.rpm SHA-256: 61ed38aadef58a623902f145d0d1d25dbdfdceb19258ac2aa96af93546994217 cups-client-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 1f54d863b705adbaf7ba08b0e6017de287041249a3506f9c1b5c11a1a6d1dfe1 cups-client-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 1f54d863b705adbaf7ba08b0e6017de287041249a3506f9c1b5c11a1a6d1dfe1 cups-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 257572c1021224c714e066fdf5803810ac26d5e5222b584246af3527167e9763 cups-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 257572c1021224c714e066fdf5803810ac26d5e5222b584246af3527167e9763 cups-debugsource-2.4.10-18.el10_2.x86_64.rpm SHA-256: 9f402abaf19534521ef14f23bfe06a3b060ba9e08cae028ac88800a8349cbe25 cups-debugsource-2.4.10-18.el10_2.x86_64.rpm SHA-256: 9f402abaf19534521ef14f23bfe06a3b060ba9e08cae028ac88800a8349cbe25 cups-devel-2.4.10-18.el10_2.x86_64.rpm SHA-256: 5112eaee1c8e7995606dc9c697a36c1608e5eb20e5015811c5fc1d625b6b5674 cups-filesystem-2.4.10-18.el10_2.noarch.rpm SHA-256: 0697e149e26f91499782eb9c756a0b4a5da3e9926df8e588384e8cf2e43ec00d cups-ipptool-2.4.10-18.el10_2.x86_64.rpm SHA-256: 6fa29787a3be16ef48f111e9b4bcb260425b442198d50e9fe1fb4a731b94b750 cups-ipptool-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 985cbe863dc45862c129d2929785061d035bf1ce18ba9a90543a37b63c5b15ac cups-ipptool-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 985cbe863dc45862c129d2929785061d035bf1ce18ba9a90543a37b63c5b15ac cups-libs-2.4.10-18.el10_2.x86_64.rpm SHA-256: 7edad901c78d1d69d265205adcce4d2ae86ba136b672a238e2b69bf1b13dd3d6 cups-libs-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 515ad59b8b0db61b53a3695f7a46e42605497ed7c75f291c3af6dc7a62940e5f cups-libs-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: 515ad59b8b0db61b53a3695f7a46e42605497ed7c75f291c3af6dc7a62940e5f cups-lpd-2.4.10-18.el10_2.x86_64.rpm SHA-256: f7e540b0f44f95c406929052f7796d8957ec1b7925319129c630feebf37c40b1 cups-lpd-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e9b06d1d9f7c38acda686cd3e3aacaaafc649c74eb369514f5851a91e856b5c6 cups-lpd-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e9b06d1d9f7c38acda686cd3e3aacaaafc649c74eb369514f5851a91e856b5c6 cups-printerapp-2.4.10-18.el10_2.x86_64.rpm SHA-256: 7ae1c337cccaa610c95094cb2f191fc661d66286b7812be44f3ccd429acef7b0 cups-printerapp-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e946aa945553bf72eb9804259f2b25e87f638c8b3c6cf645d8e8ef06a7a278c1 cups-printerapp-debuginfo-2.4.10-18.el10_2.x86_64.rpm SHA-256: e946aa945553bf72eb9804259f2b25e87f638c8b3c6cf645d8e8ef06a7a278c1 Red Hat Enterprise Linux for IBM z Systems 10 SRPM cups-2.4.10-18.el10_2.src.rpm SHA-256: b22a069452cb9bc8d3f5dc37fa97d3f7e786549919ad12436097c61a7350503b s390x cups-2.4.10-18.el10_2.s390x.rpm SHA-256: 290cd311998148565dec9c9adac1ea3320874d0d4c6408b2b22139bc2388d987 cups-client-2.4.10-18.el10_2.s390x.rpm SHA-256: f54833882850aaeb5cd356f078318a866aa82efa23b2b70675282a3471874b29 cups-client-debuginfo-2.4.10-18.el10_2.s390x.rpm SHA-256: 948d2567c403cafc532e3ca54ff51a64a5054f296c77620cc76a87d7f1664d07 cups-client-debuginfo-2.4.10-18.el10_2.s390x.rpm SHA-256: 948d2567c403cafc532e3ca54ff51a64a5054f296c77620cc76a87d7f1664d07 cups-debuginfo-2.4.10-18.el10_2.s390x.rpm SHA-256: 5e18850c4737ca0954449e9ecfddaf57ed9366c42dc4f3decaff732ac782ea62 cups-debuginfo-2.4.10-18.el10_2.s390x.rpm SHA-256: 5e18850c4737ca0954449e9ecfddaf57ed9366c42dc4f3decaff732ac782ea62 cups-debugsource-2.4.10-18.el10_2.s390x.rpm SHA-256: c8c36d4f8c01452f3b6816672fc6453f481eaeb13fffc0c3be1b2e99ae63dc0b cups-debugsource-2.4.10-18.el10_2.s390x.rpm SHA-256: c8c36d4f8c01452f3b6816672fc6453f481eaeb13fffc0c3be1b2e99ae63dc0b cups-devel-2.4.10-18.el10_2.s390x.rpm SHA-256: 196f99f03afd4773d8adeb2f9914d8c700f45f62852ed09c738b3b8f516bb456 cups-filesystem-2.4.10-18.el10_2.noarch.rpm SHA-256: 0697e149e26f91499782eb9c756a0b4a5da3e9926df8e588384e8cf2e43ec00d cups-ipptool-2.4.10-18.el10_2.s390x.rpm SHA-256: 5df05c8cba1792f993c8a038451cf1927d444616b0bc96f364092eec1884f8ec cups-ipptool-debuginfo-2.4.10-18.el10_2.s390x.rpm SHA-256: 3ae541e129e248c9046052f3938381c7a9ef9e10692abfdc6e0e28182de240c5 cups-ipptool-de