Red Hat Product Errata RHSA-2026:74444 - Security Advisory
Issued:
2026-10-01
Updated:
2026-10-01

RHSA-2026:74444 - Security Advisory

Synopsis

Important: qt security update

Type/Severity

Security Advisory: Important

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for qt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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 qt packages contain a software toolkit that simplifies the task of writing and maintaining Graphical User Interface (GUI) applications for the X Window System.

Security Fix(es):

  • qt: Qt: Denial of Service via out-of-bounds read in text codec handling (CVE-2026-9499)

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 Server - Extended Life Cycle Support 7 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

  • BZ - 2503641 - CVE-2026-9499 qt: Qt: Denial of Service via out-of-bounds read in text codec handling

Red Hat Enterprise Linux Server - Extended Life Cycle Support 7

SRPM
qt-4.8.7-10.el7_9.src.rpm SHA-256: c8b57fe1972328fa137fd60381edaade642e16fa6a5421f3f98d8d896b479dbc
x86_64
qt-4.8.7-10.el7_9.i686.rpm SHA-256: 0350ee192918c919eca772c91fd1edba72d3d37ce6a5e1a7bedf3856037ff9fc
qt-4.8.7-10.el7_9.x86_64.rpm SHA-256: 2b07bf38422538e7b9233c9f99ba1e59bd67baaf57b08d602da966583ac41bd0
qt-assistant-4.8.7-10.el7_9.x86_64.rpm SHA-256: 220cb4619d5496bbb44a26830fd5dc0c0a37206d04f0f1af6cd3ab9b2c043712
qt-config-4.8.7-10.el7_9.x86_64.rpm SHA-256: 83e3fcac907e7224c7d99359506b6eb633e23dca62584857877370ae69401ce6
qt-debuginfo-4.8.7-10.el7_9.i686.rpm SHA-256: ee6cf49ac2db30bdb570f259c32b0e50e4af69909d23386327e0d8756446cb50
qt-debuginfo-4.8.7-10.el7_9.x86_64.rpm SHA-256: 045bb08567bb8cfcc4d767dd4b387e523bd76bc8a5d5c2c9ab03d8e777fbf479
qt-debuginfo-4.8.7-10.el7_9.x86_64.rpm SHA-256: 045bb08567bb8cfcc4d767dd4b387e523bd76bc8a5d5c2c9ab03d8e777fbf479
qt-demos-4.8.7-10.el7_9.x86_64.rpm SHA-256: 83aa1d5b0fdb2e967c9f67f2630603b08c892a75cf5d83bf92c5a93afd6ed663
qt-devel-4.8.7-10.el7_9.i686.rpm SHA-256: 605f481da7af1ac537430e9595e1f82a749a0f45c20b9ffb98eacce2a55eb62f
qt-devel-4.8.7-10.el7_9.x86_64.rpm SHA-256: 1dca2e5f5d5fe76f17b515be18f764c7ce7c73418bfabf9656d1f61e3fa04c84
qt-devel-private-4.8.7-10.el7_9.noarch.rpm SHA-256: ac0d493b1f2d70ca7bdd643114cf298803df7e21264bd66b196a2ba45f77fce5
qt-doc-4.8.7-10.el7_9.noarch.rpm SHA-256: a85c256842de664c3d97ff51fa9fa677cbcb39f26e7da32e4637975f13ccc73f
qt-examples-4.8.7-10.el7_9.x86_64.rpm SHA-256: 28dc624a75461ce48124e9434655e93203738a6159b7c102191c638aa4aec54f
qt-mysql-4.8.7-10.el7_9.i686.rpm SHA-256: 9a45eaed6fcc2eb31371f2a098d2aacd683eb88c1976b1b78e9864a140fdc614
qt-mysql-4.8.7-10.el7_9.x86_64.rpm SHA-256: 3068b0defdb1b7bb8d18abc43985730fc9c0aa7d3aad00fe4c0608c3ea739084
qt-odbc-4.8.7-10.el7_9.i686.rpm SHA-256: ea352cf273c5f8dbec1edcdd08b123e0cb61889a58cda291f616433dddb8d14a
qt-odbc-4.8.7-10.el7_9.x86_64.rpm SHA-256: a752d517761ed919fb0f950cb0fdb238d2aed0703980f0c8bde77cbdc39f0bb5
qt-postgresql-4.8.7-10.el7_9.i686.rpm SHA-256: f267d61c63a5bd9d46a1aa2a130d356da8c4b5140a5ec2afdbd7bfb463276db5
qt-postgresql-4.8.7-10.el7_9.x86_64.rpm SHA-256: af9f1ef725b313c42224794aadd9d968fbb32b207b217c5029b798b472dbe131
qt-qdbusviewer-4.8.7-10.el7_9.x86_64.rpm SHA-256: cb54e7a47db2abd5e6164c7c28567258a9cfaef1c49ee95f151d108148237961
qt-qvfb-4.8.7-10.el7_9.x86_64.rpm SHA-256: 1f1f6dd280e99b078a40c0f78d3f011504fd7598b7a1463cdfc4a11856a9ae44
qt-x11-4.8.7-10.el7_9.i686.rpm SHA-256: ab904dc4168ee96a64e55a61c0d0e36bd430c992b395529ec7ba11eb198d6df0
qt-x11-4.8.7-10.el7_9.x86_64.rpm SHA-256: 97bb93a77c17647de29ec100aa72281e923c2742aed5c2b9d89c619318e0a0d3

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7

SRPM
qt-4.8.7-10.el7_9.src.rpm SHA-256: c8b57fe1972328fa137fd60381edaade642e16fa6a5421f3f98d8d896b479dbc
s390x
qt-4.8.7-10.el7_9.s390.rpm SHA-256: cf76091be2131cc3d855d578353194f0d01001cee8c59c1e5181cf19fb2b3b88
qt-4.8.7-10.el7_9.s390x.rpm SHA-256: 76ea4870819ef26b51e75b78b4c62d3d1f94bd87256ef129b5665226de4f50f8
qt-assistant-4.8.7-10.el7_9.s390x.rpm SHA-256: 6f2d101a9e5835e864b984590bd487ec54f6d6c6235b0401c85bea11c58fe63f
qt-config-4.8.7-10.el7_9.s390x.rpm SHA-256: 80fe081288ade3d638b619a3b0ac39ee4e1ccab7782defb2e4552786184607b7
qt-debuginfo-4.8.7-10.el7_9.s390.rpm SHA-256: a1312ffc1c52c6859eda49a3a9fe1f1bb3f098a68ea7c70a0a36d90f22550f9f
qt-debuginfo-4.8.7-10.el7_9.s390x.rpm SHA-256: 299dbc7c0967975425f89d66c3e2cb69670422a7b068c11e1493df8f8dc4ca81
qt-debuginfo-4.8.7-10.el7_9.s390x.rpm SHA-256: 299dbc7c0967975425f89d66c3e2cb69670422a7b068c11e1493df8f8dc4ca81
qt-demos-4.8.7-10.el7_9.s390x.rpm SHA-256: 8e35934bc38db1eb3170528e4a57fa58bf56d722126b13ea9aaa06cd5995cac7
qt-devel-4.8.7-10.el7_9.s390.rpm SHA-256: 3c61b2d804e6d8199d7dcf6d9ddb2bac65339f589980c1e1968c6c18005c8dc3
qt-devel-4.8.7-10.el7_9.s390x.rpm SHA-256: 373b137d2fd70a1fcc811e130bba8e2b6123edfe1a60bbbca530b42f574a089f
qt-devel-private-4.8.7-10.el7_9.noarch.rpm SHA-256: ac0d493b1f2d70ca7bdd643114cf298803df7e21264bd66b196a2ba45f77fce5
qt-doc-4.8.7-10.el7_9.noarch.rpm SHA-256: a85c256842de664c3d97ff51fa9fa677cbcb39f26e7da32e4637975f13ccc73f
qt-examples-4.8.7-10.el7_9.s390x.rpm SHA-256: 30bf48f9dacaa83c4c42d1bdd588946ec532e8d69e6ee32ca15b83c1fd82c429
qt-mysql-4.8.7-10.el7_9.s390.rpm SHA-256: 04cee60e8b2298affab969f7265bb8c0c1892ff56540b0ce1126bbc3661fe998
qt-mysql-4.8.7-10.el7_9.s390x.rpm SHA-256: dee5b8958f2c985f73d694b2f7524381d8b4d35d4da0e2ad163f34a2c3ebe08c
qt-odbc-4.8.7-10.el7_9.s390.rpm SHA-256: 650293964b826dd7cb2610507f237a4877f341425af67e43f7b8e57eecce5879
qt-odbc-4.8.7-10.el7_9.s390x.rpm SHA-256: bae8395606fb6c4d9210bd353e28e4b1156c57cf9b13f9cf53285ffb1097df01
qt-postgresql-4.8.7-10.el7_9.s390.rpm SHA-256: c2ed3d65cf3a805435cdc6a3949bd190d44edf64562ee83815c5ba80dc75af21
qt-postgresql-4.8.7-10.el7_9.s390x.rpm SHA-256: 2882b881258b94f449e5e8995441598fcb8f87ceb9c568507c4c8b76b182cf39
qt-qdbusviewer-4.8.7-10.el7_9.s390x.rpm SHA-256: 035ab888ec2ba28a5b8474e131b11821661ce08cf0be389e2e2bbb45f6913e26
qt-qvfb-4.8.7-10.el7_9.s390x.rpm SHA-256: 47c8e94e2318fcb94983b192d5bf7fcfa672e86c448d40be9751f207a424bace
qt-x11-4.8.7-10.el7_9.s390.rpm SHA-256: 0dc505a779a9abd6483fbca4f586bfc85bc804e63e41a37ae4d473f1c8cf930a
qt-x11-4.8.7-10.el7_9.s390x.rpm SHA-256: b0c53504d5d118d0866c8705148e00d7f3a0eb17190a7af6e9399d48ac17a832

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7

SRPM
qt-4.8.7-10.el7_9.src.rpm SHA-256: c8b57fe1972328fa137fd60381edaade642e16fa6a5421f3f98d8d896b479dbc
ppc64
qt-4.8.7-10.el7_9.ppc.rpm SHA-256: 2ae4a1b8ec6c0e79e7ae84965395d515a646b20fc841acae753534d1fa8bb92a
qt-4.8.7-10.el7_9.ppc64.rpm SHA-256: e8b2865c966f817b6ff8f80d99a68ec57e6b026bb44fe793c2d8dcdb0f5e05a4
qt-assistant-4.8.7-10.el7_9.ppc64.rpm SHA-256: ba49723e41d754adfe3d28517aad065c553e30e831de95f87b5f225c1c3dbf53
qt-config-4.8.7-10.el7_9.ppc64.rpm SHA-256: 3c7e4589f1dcad3f91d1cab0c17540e033aec6f9282637a4ee331b53aacb6003
qt-debuginfo-4.8.7-10.el7_9.ppc.rpm SHA-256: b3d8f2ce917817a519d7c743956587aa821441007b6a0e27ffa259882b1937ff
qt-debuginfo-4.8.7-10.el7_9.ppc64.rpm SHA-256: 990ee948f48617015b43f90a5726bce9d80aad6d70692ab9211ed8bd6e943b5f
qt-debuginfo-4.8.7-10.el7_9.ppc64.rpm SHA-256: 990ee948f48617015b43f90a5726bce9d80aad6d70692ab9211ed8bd6e943b5f
qt-demos-4.8.7-10.el7_9.ppc64.rpm SHA-256: f8e04574653ff636e222c6c67830473208d858cf2a464622052360a0d4178393
qt-devel-4.8.7-10.el7_9.ppc.rpm SHA-256: 3374454c345442dd2eb7e4232c44d838939af8e4e9762cb017625ee714f5cd8f
qt-devel-4.8.7-10.el7_9.ppc64.rpm SHA-256: 0662a5dd139915b84381e404171f867cfdf0da7d2649cfe9981a8a1b1fd87e2a
qt-devel-private-4.8.7-10.el7_9.noarch.rpm SHA-256: ac0d493b1f2d70ca7bdd643114cf298803df7e21264bd66b196a2ba45f77fce5
qt-doc-4.8.7-10.el7_9.noarch.rpm SHA-256: a85c256842de664c3d97ff51fa9fa677cbcb39f26e7da32e4637975f13ccc73f
qt-examples-4.8.7-10.el7_9.ppc64.rpm SHA-256: fc176b7a0b637e2f1b8f4543b465e7cfeb28d208469f4bc63f5984708dee9ba2
qt-mysql-4.8.7-10.el7_9.ppc.rpm SHA-256: f7694f2591f5929b5643d8d5c58853fca381256e1ef485950f17978ab3879276
qt-mysql-4.8.7-10.el7_9.ppc64.rpm SHA-256: ade4f7305ed177aa9ad41d82166a559653e866c9bf326f299fe8fea53a204f96
qt-odbc-4.8.7-10.el7_9.ppc.rpm SHA-256: 14bfc08a6056576d1d4b02f22dd65c9ab04b727151f43e6c0388fb436b922d48
qt-odbc-4.8.7-10.el7_9.ppc64.rpm SHA-256: 95d1147860ed5401ed146a74b9b782ff99aa65a64e2ddb1c1a4cf06be5ef908b
qt-postgresql-4.8.7-10.el7_9.ppc.rpm SHA-256: aa27dcea159188380825bd42eb02bba4fe74a8f3cb20efaa2df657c0d05b3a60
qt-postgresql-4.8.7-10.el7_9.ppc64.rpm SHA-256: a7e1cb3d5a9d88cee16e7bbeb166c522ecc4499e6a19349fb9dc77e35d6e9e56
qt-qdbusviewer-4.8.7-10.el7_9.ppc64.rpm SHA-256: 19951c8eed2487d00f9d54a249d4452c71a31c32ffa6ca2a58e4bfe90e12ee0f
qt-qvfb-4.8.7-10.el7_9.ppc64.rpm SHA-256: 7ea00a520edc031a92d59860648b1b35eba67af95be649d82d781dffe55be249
qt-x11-4.8.7-10.el7_9.ppc.rpm SHA-256: f0d0ce71cb39c095da97c38a6ebc76a039730eaf747049b064f4b6f421e884eb
qt-x11-4.8.7-10.el7_9.ppc64.rpm SHA-256: c1f5eaaf65704c75c8845b54ea6ef0e054ed0f9bc60c2081739bdb31795b5991

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7

SRPM
qt-4.8.7-10.el7_9.src.rpm SHA-256: c8b57fe1972328fa137fd60381edaade642e16fa6a5421f3f98d8d896b479dbc
ppc64le
qt-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 7cb1e8f22033866418b3fdce012af97b855f69cfaece4456fe9f77847d6bb963
qt-assistant-4.8.7-10.el7_9.ppc64le.rpm SHA-256: fe4d971e0209630ba7416248d2f0b7b139f5295211d14f3fbf260cf12802dc22
qt-config-4.8.7-10.el7_9.ppc64le.rpm SHA-256: bf380d710acfd5896f489ff2692743b83bd9cee25525b65ec938bf4efef62161
qt-debuginfo-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 2fb8ceaffa6484cfb85523901a2048a9148ccf1266f298e9b812db22c2ba7a3c
qt-debuginfo-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 2fb8ceaffa6484cfb85523901a2048a9148ccf1266f298e9b812db22c2ba7a3c
qt-demos-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 79f8fdf181ccf90292ab39a7f6976926c410d0c8967fc44c6f810e982f751e52
qt-devel-4.8.7-10.el7_9.ppc64le.rpm SHA-256: e04f3491fb7a3bb1f6f9df5c4476d05c4cec0c1c71431b85f840e5f10d9773e4
qt-devel-private-4.8.7-10.el7_9.noarch.rpm SHA-256: ac0d493b1f2d70ca7bdd643114cf298803df7e21264bd66b196a2ba45f77fce5
qt-doc-4.8.7-10.el7_9.noarch.rpm SHA-256: a85c256842de664c3d97ff51fa9fa677cbcb39f26e7da32e4637975f13ccc73f
qt-examples-4.8.7-10.el7_9.ppc64le.rpm SHA-256: c171c597a3628302beb03302baadbf9fd508cb192b1ef42c83fc79c24aaaca7a
qt-mysql-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 69c03792dad37cc0c93ddc25563a902bf105c0b279d739a89b1dca9f1e7b30b0
qt-odbc-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 4eaf1eb7c40c2bf4b66ab3a49d320d6e2dd23aa6780fbd14f3da83808c1079d3
qt-postgresql-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 6fc9c70ede917923c455895d95070f3fcd48189ab8419c1d923f4618570fccb0
qt-qdbusviewer-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 0598e3ff27a3487439aa45456c9c2b7984bc8401206b444947c67782344e641b
qt-qvfb-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 59336b59f8b0b5c4f8c3f577475fdf32d93789fd91828f9deedfa465b576f938
qt-x11-4.8.7-10.el7_9.ppc64le.rpm SHA-256: 855ad578a394729abc8fda66aee01e33df8da59d2e653de5e736f3e1015d5df1

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.