Synopsis
Important: python3.12 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 python3.12 is now available for Red Hat Enterprise Linux 10.0 Extended Update 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
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
Security Fix(es):
- python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations (CVE-2026-15308)
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.
Affected Products
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64
-
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
-
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
-
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64
-
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64
-
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le
-
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x
-
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64
-
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64
-
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x
-
Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le
-
Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64
Fixes
-
BZ - 2498608
- CVE-2026-15308 python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations
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 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| x86_64 |
|
python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
|
SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
|
python3-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: 21486478dd6b74256a4e4d7db30fea7f44b241a93f2b75389f82c652f861f783 |
|
python3-devel-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: 7bac82d5acef1a79bf72fa971cca945adccf58ade37c1ba861a6ed206d125ed4 |
|
python3-libs-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: fee67456330b7f6813bcc6d9ce6f5ca94d3499839fb07d14b4ff88640d85e75f |
|
python3-tkinter-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: bc8e1915d3de66d8234afb98a8746ae0034d1695f255d9898c238bfde4e43cff |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: f992e1663944030dc3661790553a523e48bd8cc4111492f3ff4eae419a40a157 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: f992e1663944030dc3661790553a523e48bd8cc4111492f3ff4eae419a40a157 |
|
python3.12-debugsource-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: 9257be848b560d3f635bfa5cec88a345e366a336966d660bfc1b7303eda2569b |
|
python3.12-debugsource-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: 9257be848b560d3f635bfa5cec88a345e366a336966d660bfc1b7303eda2569b |
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| s390x |
|
python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
|
SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
|
python3-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: ab5366e75b221f16d7e71200195fb8f6e2252d088f030e804c486620c3619ddb |
|
python3-devel-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 0f0e73f5becfc4c3b5708f091f681348d1d68237d10751b6b6797e0c7d59ddcc |
|
python3-libs-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: de9a26ecd02a6ff28c22d1db46d0f9c6b174868b447f8e177afa3a47a03a97e7 |
|
python3-tkinter-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: d308c7a7afb69c74f5959f4d6e907d5f883b9dbbe64f9c049ae4d86a1a8d64b9 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: bde12e438cc255ec680a65416919427e185305275d713f4a2804d53df203a19f |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: bde12e438cc255ec680a65416919427e185305275d713f4a2804d53df203a19f |
|
python3.12-debugsource-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 7dbf2719dbc6ade3f15a2480b324c157803fb3e4d9e7e539c4375b7fe503e273 |
|
python3.12-debugsource-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 7dbf2719dbc6ade3f15a2480b324c157803fb3e4d9e7e539c4375b7fe503e273 |
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| ppc64le |
|
python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
|
SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
|
python3-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 59a5715d7b57327794181098ba8c7dfeaf27d6d1f1c6e342f4897d19ca31a904 |
|
python3-devel-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: df631be41eb948c03f407a1996c463358b7cd7fee400956765948edccf4555ab |
|
python3-libs-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: c26293c499b5488e38465628d880b4d665fe937bf0170cc3efd7fbcf89e60054 |
|
python3-tkinter-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: d6fa1cd69cbb687d56edfc5be3ac0971919a5375d47e6812a52d5accd3dea688 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 17b9befa0a198cfe36fc49e44a49e8c3c50aff68feafb40493f82fc5e33263bc |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 17b9befa0a198cfe36fc49e44a49e8c3c50aff68feafb40493f82fc5e33263bc |
|
python3.12-debugsource-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 8f364006d53bbbe37db1f8015eece4c9a3c859fca4c49b2e0c732b0c65f6286b |
|
python3.12-debugsource-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 8f364006d53bbbe37db1f8015eece4c9a3c859fca4c49b2e0c732b0c65f6286b |
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| aarch64 |
|
python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
|
SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
|
python3-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 0c97f046534d9bf1bc92355ebf8291a1804219738d94e80c23105c7b9b2777da |
|
python3-devel-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6a140ff71a2bb4ccbd1e6c866b26c0f6b6eaafb04e8fb7b5d1fbd25b509e2bf6 |
|
python3-libs-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6f2cc1287d865749f879a47d5c8f4bebb303360ce6b8b854a9a726178f6bb829 |
|
python3-tkinter-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 5cdceafccb2ccd56d6981060f4b1c7103cad94ce839c63c7591f42c057f8ba61 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6f915804c075f52a53c101679bb39c878f9af09de137e3c03e008b355c4ee359 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6f915804c075f52a53c101679bb39c878f9af09de137e3c03e008b355c4ee359 |
|
python3.12-debugsource-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 3d22213ff1316a633978f0386339247a56290f421fd2b8e077992299d93df63b |
|
python3.12-debugsource-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 3d22213ff1316a633978f0386339247a56290f421fd2b8e077992299d93df63b |
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0
| SRPM |
| x86_64 |
|
python3-debug-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: b02c041ddb0f74861469aedcb389b65d96bd47b22afefe13cd26da357b9ff01e |
|
python3-idle-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: 9677464a3e372ea1f128ad3b6d1b6b6c10f1e73ccb0050dda94f28b0ccfe283f |
|
python3-test-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: b06e9c35bf01e6c3dfa2f9511e345c13aa5b65fd9e779cbe7ee35dae84f3bd72 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: f992e1663944030dc3661790553a523e48bd8cc4111492f3ff4eae419a40a157 |
|
python3.12-debugsource-3.12.9-2.el10_0.10.x86_64.rpm
|
SHA-256: 9257be848b560d3f635bfa5cec88a345e366a336966d660bfc1b7303eda2569b |
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0
| SRPM |
| ppc64le |
|
python3-debug-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: cbb78230bcddfec04213523c4ec71f50504a5d8e93d37a8a5d801a38039bb3d4 |
|
python3-idle-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 67ddf8116ae0984b4b37d3c2e36fc122126fa0874916a95b6e8c0735644391f3 |
|
python3-test-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 4c406baa8f5735a7a69c27c4673156905cd13df11ef19c0a69283d03d4708e44 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 17b9befa0a198cfe36fc49e44a49e8c3c50aff68feafb40493f82fc5e33263bc |
|
python3.12-debugsource-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 8f364006d53bbbe37db1f8015eece4c9a3c859fca4c49b2e0c732b0c65f6286b |
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0
| SRPM |
| s390x |
|
python3-debug-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: bc54045360bd32e1c9dd80b895f1cbdc5f6a8fe8115e54409b933ee161068737 |
|
python3-idle-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 3bb82b733ef2fcb2c87ab0f8badafdee0ae64e6d53c4e4586bcc2590b9d6aed3 |
|
python3-test-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 2ba2590c2de4dda5f05c2716bc4af87320085ef688944c3f392b034af2ed1dad |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: bde12e438cc255ec680a65416919427e185305275d713f4a2804d53df203a19f |
|
python3.12-debugsource-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 7dbf2719dbc6ade3f15a2480b324c157803fb3e4d9e7e539c4375b7fe503e273 |
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0
| SRPM |
| aarch64 |
|
python3-debug-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: ba7769e0242c3597e629737285e3a469a74b0755bac154faa6f7d8ac187761f8 |
|
python3-idle-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 75992b90cd4a8089d72be57ad626e06961c196f4112bb4947d815bca1627e142 |
|
python3-test-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 3d06a9de83de993abc11977263c4d9a42f680390462d4fa14d9ed6661c06044b |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6f915804c075f52a53c101679bb39c878f9af09de137e3c03e008b355c4ee359 |
|
python3.12-debugsource-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 3d22213ff1316a633978f0386339247a56290f421fd2b8e077992299d93df63b |
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| aarch64 |
|
python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
|
SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
|
python3-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 0c97f046534d9bf1bc92355ebf8291a1804219738d94e80c23105c7b9b2777da |
|
python3-devel-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6a140ff71a2bb4ccbd1e6c866b26c0f6b6eaafb04e8fb7b5d1fbd25b509e2bf6 |
|
python3-libs-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6f2cc1287d865749f879a47d5c8f4bebb303360ce6b8b854a9a726178f6bb829 |
|
python3-tkinter-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 5cdceafccb2ccd56d6981060f4b1c7103cad94ce839c63c7591f42c057f8ba61 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6f915804c075f52a53c101679bb39c878f9af09de137e3c03e008b355c4ee359 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 6f915804c075f52a53c101679bb39c878f9af09de137e3c03e008b355c4ee359 |
|
python3.12-debugsource-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 3d22213ff1316a633978f0386339247a56290f421fd2b8e077992299d93df63b |
|
python3.12-debugsource-3.12.9-2.el10_0.10.aarch64.rpm
|
SHA-256: 3d22213ff1316a633978f0386339247a56290f421fd2b8e077992299d93df63b |
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| s390x |
|
python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
|
SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
|
python3-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: ab5366e75b221f16d7e71200195fb8f6e2252d088f030e804c486620c3619ddb |
|
python3-devel-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 0f0e73f5becfc4c3b5708f091f681348d1d68237d10751b6b6797e0c7d59ddcc |
|
python3-libs-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: de9a26ecd02a6ff28c22d1db46d0f9c6b174868b447f8e177afa3a47a03a97e7 |
|
python3-tkinter-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: d308c7a7afb69c74f5959f4d6e907d5f883b9dbbe64f9c049ae4d86a1a8d64b9 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: bde12e438cc255ec680a65416919427e185305275d713f4a2804d53df203a19f |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: bde12e438cc255ec680a65416919427e185305275d713f4a2804d53df203a19f |
|
python3.12-debugsource-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 7dbf2719dbc6ade3f15a2480b324c157803fb3e4d9e7e539c4375b7fe503e273 |
|
python3.12-debugsource-3.12.9-2.el10_0.10.s390x.rpm
|
SHA-256: 7dbf2719dbc6ade3f15a2480b324c157803fb3e4d9e7e539c4375b7fe503e273 |
Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| ppc64le |
|
python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
|
SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
|
python3-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 59a5715d7b57327794181098ba8c7dfeaf27d6d1f1c6e342f4897d19ca31a904 |
|
python3-devel-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: df631be41eb948c03f407a1996c463358b7cd7fee400956765948edccf4555ab |
|
python3-libs-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: c26293c499b5488e38465628d880b4d665fe937bf0170cc3efd7fbcf89e60054 |
|
python3-tkinter-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: d6fa1cd69cbb687d56edfc5be3ac0971919a5375d47e6812a52d5accd3dea688 |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 17b9befa0a198cfe36fc49e44a49e8c3c50aff68feafb40493f82fc5e33263bc |
|
python3.12-debuginfo-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 17b9befa0a198cfe36fc49e44a49e8c3c50aff68feafb40493f82fc5e33263bc |
|
python3.12-debugsource-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 8f364006d53bbbe37db1f8015eece4c9a3c859fca4c49b2e0c732b0c65f6286b |
|
python3.12-debugsource-3.12.9-2.el10_0.10.ppc64le.rpm
|
SHA-256: 8f364006d53bbbe37db1f8015eece4c9a3c859fca4c49b2e0c732b0c65f6286b |
Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0
| SRPM |
|
python3.12-3.12.9-2.el10_0.10.src.rpm
|
SHA-256: a8d0f997e5df4867edd989ce44c264be7ec09665bb68cc7f78f64961082b4df7 |
| x86_64 |
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python-unversioned-command-3.12.9-2.el10_0.10.noarch.rpm
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SHA-256: b236ab28ec641bd85115fd7fb8b0fa60e305581c65b25021ea345065224fd072 |
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python3-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: 21486478dd6b74256a4e4d7db30fea7f44b241a93f2b75389f82c652f861f783 |
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python3-devel-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: 7bac82d5acef1a79bf72fa971cca945adccf58ade37c1ba861a6ed206d125ed4 |
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python3-libs-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: fee67456330b7f6813bcc6d9ce6f5ca94d3499839fb07d14b4ff88640d85e75f |
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python3-tkinter-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: bc8e1915d3de66d8234afb98a8746ae0034d1695f255d9898c238bfde4e43cff |
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python3.12-debuginfo-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: f992e1663944030dc3661790553a523e48bd8cc4111492f3ff4eae419a40a157 |
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python3.12-debuginfo-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: f992e1663944030dc3661790553a523e48bd8cc4111492f3ff4eae419a40a157 |
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python3.12-debugsource-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: 9257be848b560d3f635bfa5cec88a345e366a336966d660bfc1b7303eda2569b |
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python3.12-debugsource-3.12.9-2.el10_0.10.x86_64.rpm
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SHA-256: 9257be848b560d3f635bfa5cec88a345e366a336966d660bfc1b7303eda2569b |
