Red Hat Product Errata RHSA-2026:43537 - Security Advisory Issued: 2026-07-22 Updated: 2026-07-22 RHSA-2026:43537 - Security Advisory Overview Updated Packages Synopsis Moderate: libtiff 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 libtiff is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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 libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files. Security Fix(es): libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM (CVE-2023-52355) 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 - Extended Update Support 9.6 x86_64 Red Hat Enterprise Linux Server - AUS 9.6 x86_64 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64 Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x Fixes BZ - 2251326 - CVE-2023-52355 libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM CVEs CVE-2023-52355 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 - Extended Update Support 9.6 SRPM libtiff-4.4.0-13.el9_6.5.src.rpm SHA-256: 648bb0eeca077f7ea211a75eab50d8376163a16f162b2cae5edd8fecc553132c x86_64 libtiff-4.4.0-13.el9_6.5.i686.rpm SHA-256: aefc69430ff32538a55f640fac1012cf1184ce74c733c93091f5f8de4996e4c9 libtiff-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: 8f17ee2e76c05827b3ea68c8c214344010c300191dc088feda4da4f17fab073b libtiff-debuginfo-4.4.0-13.el9_6.5.i686.rpm SHA-256: f00091d3df8030669d5493f4920a3ee0d801ecc5ccf9814431b406490f55a215 libtiff-debuginfo-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: ceca99cd7b4ac39e3304389135fcb60303cbaf38a8c0fa57441de07397bd526d libtiff-debugsource-4.4.0-13.el9_6.5.i686.rpm SHA-256: 25a74403db5bf15f014e8b12c805e3ba9ee4552f50817312b0f6c622d61524d1 libtiff-debugsource-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: ce4639053be23ef698fd3bfd613c6ea0c7e889d3646e1abcf9e9cfc2a8cab282 libtiff-devel-4.4.0-13.el9_6.5.i686.rpm SHA-256: 3662bab043a43cb1f0911572cf2f44760a996c4a2c839311747119a502afc561 libtiff-devel-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: bd37eb643e79a333a4188a2141a4b426262c50ac673ec192eb31dece5f225c6e libtiff-tools-debuginfo-4.4.0-13.el9_6.5.i686.rpm SHA-256: 8747f454b7c66d28eb196a0870749761b1379e4b9fcd551a315e592f252f4b90 libtiff-tools-debuginfo-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: 70e4eacfd23456e0752623ea4b0fbd5fe2fa87753202e6cc83f933b1db9b99c7 Red Hat Enterprise Linux Server - AUS 9.6 SRPM libtiff-4.4.0-13.el9_6.5.src.rpm SHA-256: 648bb0eeca077f7ea211a75eab50d8376163a16f162b2cae5edd8fecc553132c x86_64 libtiff-4.4.0-13.el9_6.5.i686.rpm SHA-256: aefc69430ff32538a55f640fac1012cf1184ce74c733c93091f5f8de4996e4c9 libtiff-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: 8f17ee2e76c05827b3ea68c8c214344010c300191dc088feda4da4f17fab073b libtiff-debuginfo-4.4.0-13.el9_6.5.i686.rpm SHA-256: f00091d3df8030669d5493f4920a3ee0d801ecc5ccf9814431b406490f55a215 libtiff-debuginfo-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: ceca99cd7b4ac39e3304389135fcb60303cbaf38a8c0fa57441de07397bd526d libtiff-debugsource-4.4.0-13.el9_6.5.i686.rpm SHA-256: 25a74403db5bf15f014e8b12c805e3ba9ee4552f50817312b0f6c622d61524d1 libtiff-debugsource-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: ce4639053be23ef698fd3bfd613c6ea0c7e889d3646e1abcf9e9cfc2a8cab282 libtiff-devel-4.4.0-13.el9_6.5.i686.rpm SHA-256: 3662bab043a43cb1f0911572cf2f44760a996c4a2c839311747119a502afc561 libtiff-devel-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: bd37eb643e79a333a4188a2141a4b426262c50ac673ec192eb31dece5f225c6e libtiff-tools-debuginfo-4.4.0-13.el9_6.5.i686.rpm SHA-256: 8747f454b7c66d28eb196a0870749761b1379e4b9fcd551a315e592f252f4b90 libtiff-tools-debuginfo-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: 70e4eacfd23456e0752623ea4b0fbd5fe2fa87753202e6cc83f933b1db9b99c7 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 SRPM libtiff-4.4.0-13.el9_6.5.src.rpm SHA-256: 648bb0eeca077f7ea211a75eab50d8376163a16f162b2cae5edd8fecc553132c s390x libtiff-4.4.0-13.el9_6.5.s390x.rpm SHA-256: fd980643b212a0da4566e6de4bfd4c5d989a3e01d1e5bc12d3c8c4222ff182a2 libtiff-debuginfo-4.4.0-13.el9_6.5.s390x.rpm SHA-256: e2c715ed2fde6fa70c9d15db6c686141ce645139d106f82c9f214c9c27998600 libtiff-debugsource-4.4.0-13.el9_6.5.s390x.rpm SHA-256: 78f6c3313833bc0c8b0f7f02f0ae48a1e7635fcd0c83e2f7e986be87a64484b0 libtiff-devel-4.4.0-13.el9_6.5.s390x.rpm SHA-256: a6cd875bcef51a0ce67d338d469300ec6b42f636bdb0e9133374709124ff3226 libtiff-tools-debuginfo-4.4.0-13.el9_6.5.s390x.rpm SHA-256: b52abef2286f999fb5b0a15ecaac8d2e59028206169cb133de5b0ca98c49546b Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 SRPM libtiff-4.4.0-13.el9_6.5.src.rpm SHA-256: 648bb0eeca077f7ea211a75eab50d8376163a16f162b2cae5edd8fecc553132c ppc64le libtiff-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 133f89913e6dabd108186d348a33b70536edd2f35c886fb8c54c172d049156a0 libtiff-debuginfo-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: f74082d214f4adf6f2a1fbe821483f956e84d44e11e3dfe923866b229ea6342e libtiff-debugsource-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 26d4b2c0fca74fd4d9c0bda1187fd4db389730caa1b0f6414a1d70cc1df01ddd libtiff-devel-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 0828f39544f8011e74ecb567997caac9e6a57a782149701f05ac19bfc26f7297 libtiff-tools-debuginfo-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 08a7490be7d878058579476f4663c8f2e9df31a125f798c240736e031dc16621 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 SRPM libtiff-4.4.0-13.el9_6.5.src.rpm SHA-256: 648bb0eeca077f7ea211a75eab50d8376163a16f162b2cae5edd8fecc553132c aarch64 libtiff-4.4.0-13.el9_6.5.aarch64.rpm SHA-256: b814ebf8a44dd607308f28ddec933685ac1538941f34f6135f2b1625dff6444b libtiff-debuginfo-4.4.0-13.el9_6.5.aarch64.rpm SHA-256: bdd4e75628062f5cb7c35d580cc7491cb0bcfd0a7a4d6dd0d2ca58d964871d9f libtiff-debugsource-4.4.0-13.el9_6.5.aarch64.rpm SHA-256: ad10ae699119b8022f7113e5b67f704de1b022db5ea794bf9e4c6d18d8faeba8 libtiff-devel-4.4.0-13.el9_6.5.aarch64.rpm SHA-256: 6314e6ae63b022fbf7295104059999eaaa8e0ad9ac7ea5b750ad2e0053cff150 libtiff-tools-debuginfo-4.4.0-13.el9_6.5.aarch64.rpm SHA-256: 5871e0e49b58aa01101bb861aff320e564c724723706b36d855d6bc17a01cff5 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 SRPM libtiff-4.4.0-13.el9_6.5.src.rpm SHA-256: 648bb0eeca077f7ea211a75eab50d8376163a16f162b2cae5edd8fecc553132c ppc64le libtiff-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 133f89913e6dabd108186d348a33b70536edd2f35c886fb8c54c172d049156a0 libtiff-debuginfo-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: f74082d214f4adf6f2a1fbe821483f956e84d44e11e3dfe923866b229ea6342e libtiff-debugsource-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 26d4b2c0fca74fd4d9c0bda1187fd4db389730caa1b0f6414a1d70cc1df01ddd libtiff-devel-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 0828f39544f8011e74ecb567997caac9e6a57a782149701f05ac19bfc26f7297 libtiff-tools-debuginfo-4.4.0-13.el9_6.5.ppc64le.rpm SHA-256: 08a7490be7d878058579476f4663c8f2e9df31a125f798c240736e031dc16621 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 SRPM libtiff-4.4.0-13.el9_6.5.src.rpm SHA-256: 648bb0eeca077f7ea211a75eab50d8376163a16f162b2cae5edd8fecc553132c x86_64 libtiff-4.4.0-13.el9_6.5.i686.rpm SHA-256: aefc69430ff32538a55f640fac1012cf1184ce74c733c93091f5f8de4996e4c9 libtiff-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: 8f17ee2e76c05827b3ea68c8c214344010c300191dc088feda4da4f17fab073b libtiff-debuginfo-4.4.0-13.el9_6.5.i686.rpm SHA-256: f00091d3df8030669d5493f4920a3ee0d801ecc5ccf9814431b406490f55a215 libtiff-debuginfo-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: ceca99cd7b4ac39e3304389135fcb60303cbaf38a8c0fa57441de07397bd526d libtiff-debugsource-4.4.0-13.el9_6.5.i686.rpm SHA-256: 25a74403db5bf15f014e8b12c805e3ba9ee4552f50817312b0f6c622d61524d1 libtiff-debugsource-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: ce4639053be23ef698fd3bfd613c6ea0c7e889d3646e1abcf9e9cfc2a8cab282 libtiff-devel-4.4.0-13.el9_6.5.i686.rpm SHA-256: 3662bab043a43cb1f0911572cf2f44760a996c4a2c839311747119a502afc561 libtiff-devel-4.4.0-13.el9_6.5.x86_64.rpm SHA-256: bd37eb643e79a333a4188a2141a4b426262c50ac673ec192eb31dece5f225c6e libtiff-tools-debuginfo-4.4.0-13.el9_6.5.i686.rpm