When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.
CVSS Details
- CVSS 4.0 Base Score: 6 (MEDIUM)
- CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade python3.14-freethreading-develUpgrade python3.14-libsUpgrade python3.14-freethreading-testUpgrade python3.14Upgrade python3.14-freethreading-debugUpgrade python3.12Upgrade python3.14-tkinterUpgrade python3.14-develUpgrade python3.12-idleUpgrade python3.12-libsUpgrade python3.14-idleUpgrade python3.12-debugUpgrade python3.12-tkinterUpgrade python3.12-develUpgrade python3.14-freethreading-idleUpgrade python3.14-testUpgrade python3.12-testUpgrade python3.12-rpm-macrosUpgrade python3.14-freethreading-libsUpgrade python3.14-freethreadingUpgrade python3.14-freethreading-tkinterUpgrade python3.14-debug | Apr 29, 2026 | Apr 27, 2026 |
| Alpine Linux | — | Upgrade python3 | Jun 18, 2026 | Mar 16, 2026 |
| Amazon Linux Ami 2 | — | Upgrade python-debuginfoUpgrade python3-libsUpgrade python3-develUpgrade python-debugUpgrade python3-tkinterUpgrade python3-debuginfoUpgrade python-toolsUpgrade pythonUpgrade python-libsUpgrade python-testUpgrade python3-debugUpgrade python3-toolsUpgrade tkinterUpgrade python-develUpgrade python3-testUpgrade python3 | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade python3.12-debuginfoUpgrade python3.14-freethreading-debugUpgrade python3.11-idleUpgrade python3-testUpgrade python3.12Upgrade python3.12-idleUpgrade python3.14-freethreading-tkinterUpgrade python3.13-develUpgrade python3.11-libsUpgrade python3.14Upgrade python3.14-develUpgrade python3.13-debugUpgrade python3.13Upgrade python3.11-tkinterUpgrade python3.12-testUpgrade python3.11-debugsourceUpgrade python3.12-tkinterUpgrade python3.13-idleUpgrade python3.14-freethreading-idleUpgrade python3.13-tkinterUpgrade python3.13-testUpgrade python3.9-debuginfoUpgrade python3.14-freethreading-develUpgrade python3.12-debugUpgrade python3.9-debugsourceUpgrade python3.11-testUpgrade python3.13-libsUpgrade python3.14-idleUpgrade python3.14-freethreading-testUpgrade python3.11-develUpgrade python3.11Upgrade python3.14-debugsourceUpgrade python3.14-libsUpgrade python3.14-freethreading-libsUpgrade python3Upgrade python3.14-testUpgrade python3.11-debuginfoUpgrade python3-debugUpgrade python3-tkinterUpgrade python3-develUpgrade python3.14-debugUpgrade python3.13-freethreading-debugUpgrade python3.13-freethreadingUpgrade python3.12-develUpgrade python3.12-debugsourceUpgrade python3.11-debugUpgrade python-unversioned-commandUpgrade python3-idleUpgrade python3.13-debugsourceUpgrade python3-libsUpgrade python3.14-debuginfoUpgrade python3.13-debuginfoUpgrade python3.14-tkinterUpgrade python3.12-libsUpgrade python3.14-freethreading | Apr 14, 2026 | Mar 16, 2026 |
| Debian | — | Upgrade python3.11Upgrade python3.13Upgrade python3.9 | May 17, 2026 | May 17, 2026 |
| Ibm Aix | — | Apply the fix or workaround for python_advisory20 | Jul 15, 2026 | Jul 14, 2026 |
| Oracle_linux | — | Upgrade python3.12-idleUpgrade python3.12-tkinterUpgrade python3.12-libsUpgrade python3.12-debugUpgrade python3.12-testUpgrade python3.12Upgrade python3.12-rpm-macrosUpgrade python3.12-devel | Apr 29, 2026 | Mar 16, 2026 |
| Redhat_linux | — | Upgrade python3.14-develUpgrade python3.12-rpm-macrosUpgrade python3.14-debugsourceUpgrade python3.14Upgrade python3.12Upgrade python3.12-idleUpgrade python3.14-freethreading-tkinterUpgrade python3.14-freethreading-debugUpgrade python3.12-testUpgrade python3.12-tkinterUpgrade python3-testUpgrade python-unversioned-commandNo solution existsUpgrade python3-idleUpgrade python3.14-freethreading-libsUpgrade python3.14-freethreadingUpgrade python3-develUpgrade python3.14-libsUpgrade python3.14-idleUpgrade python3.12-debugsourceUpgrade python3.12-libsUpgrade python3Upgrade python3.14-freethreading-develUpgrade python3.12-debuginfoUpgrade python3-tkinterUpgrade python3.12-debugUpgrade python3.14-debuginfoUpgrade python3.12-develUpgrade python3.14-tkinterUpgrade python3.14-testUpgrade python3.14-freethreading-testUpgrade python3.14-freethreading-idleUpgrade python3.14-debugUpgrade python3-debugUpgrade python3-libs | Apr 29, 2026 | Mar 16, 2026 |
| Rocky_linux | — | Upgrade python3.14-freethreadingUpgrade python3.14-freethreading-libsUpgrade python3-develUpgrade python3.14-debugsourceUpgrade python3.14-testUpgrade python3.12-debugsourceUpgrade python3.14-freethreading-testUpgrade python3.12Upgrade python3.14-freethreading-idleUpgrade python3.14Upgrade python3.14-debuginfoUpgrade python3-testUpgrade python3.14-freethreading-tkinterUpgrade python3-debugUpgrade python3.12-tkinterUpgrade python3.12-debuginfoUpgrade python3.14-libsUpgrade python3-tkinterUpgrade python3-idleUpgrade python3.12-debugUpgrade python3.12-develUpgrade python3-libsUpgrade python3.12-libsUpgrade python3Upgrade python3.14-debugUpgrade python3.14-develUpgrade python3.14-freethreading-debugUpgrade python3.12-testUpgrade python3.14-tkinterUpgrade python3.12-idleUpgrade python3.14-idleUpgrade python3.14-freethreading-devel | Apr 29, 2026 | Apr 28, 2026 |
| Suse | — | Upgrade python313-cursesUpgrade python313-nogil-toolsUpgrade python310-tkUpgrade python3-tkUpgrade libpython3_4m1_0Upgrade python313-nogil-tkUpgrade python39-develUpgrade libpython3_10-1_0-32bitUpgrade libpython3_9-1_0-32bitUpgrade python313-x86-64-v3Upgrade python312Upgrade libpython3_6m1_0-32bitUpgrade python310Upgrade libpython3_9-1_0Upgrade python39-tkUpgrade libpython3_12-1_0Upgrade python312-dbmUpgrade python39-doc-devhelpUpgrade libpython3_6m1_0Upgrade python312-testsuiteUpgrade python310-dbmUpgrade python3-baseUpgrade python312-cursesUpgrade python312-tkUpgrade python313-develUpgrade python39-idleUpgrade python-develUpgrade python313-docUpgrade python313-testsuiteUpgrade python-cursesUpgrade python39Upgrade python313-baseUpgrade python313-nogil-idleUpgrade python3-testsuiteUpgrade python310-toolsUpgrade python-xmlUpgrade python311-toolsUpgrade python36-baseUpgrade python313-nogil-baseUpgrade libpython3_13-1_0-x86-64-v3Upgrade python313-doc-devhelpUpgrade python311Upgrade python311-idleUpgrade python310-develUpgrade python312-toolsUpgrade python36Upgrade python310-cursesUpgrade python313-dbmUpgrade python311-base-32bitUpgrade python39-toolsUpgrade python312-baseUpgrade python310-doc-devhelpUpgrade libpython2_7-1_0-32bitUpgrade python312-develUpgrade libpython3_13t1_0Upgrade libpython3_12-1_0-32bitUpgrade python312-idleUpgrade python-gdbmUpgrade python3-dbmUpgrade python39-docUpgrade python313-nogil-dbmUpgrade python313-idleUpgrade python311-dbmUpgrade python310-base-32bitUpgrade python3-idleUpgrade libpython3_10-1_0Upgrade python311-develUpgrade python310-testsuiteUpgrade python311-baseUpgrade libpython3_11-1_0Upgrade python313-nogil-cursesUpgrade python312-docUpgrade python312-32bitUpgrade python-baseUpgrade python-32bitUpgrade python311-cursesUpgrade python3-develUpgrade python310-idleUpgrade python-demoUpgrade python313-base-x86-64-v3Upgrade python36-develUpgrade python313-tkUpgrade python311-testsuiteUpgrade python310-docUpgrade python310-baseUpgrade python-idleUpgrade python311-docUpgrade python310-32bitUpgrade python3-toolsUpgrade python-doc-pdfUpgrade python-docUpgrade pythonUpgrade python312-doc-devhelpUpgrade python311-doc-devhelpUpgrade python-base-32bitUpgrade libpython3_4m1_0-32bitUpgrade libpython3_13-1_0Upgrade python39-testsuiteUpgrade python39-dbmUpgrade python39-cursesUpgrade python3-doc-devhelpUpgrade python3Upgrade python313-nogil-testsuiteUpgrade python313-nogilUpgrade python313Upgrade python312-base-32bitUpgrade python311-32bitUpgrade python3-cursesUpgrade libpython3_11-1_0-32bitUpgrade python39-base-32bitUpgrade python39-baseUpgrade python39-32bitUpgrade libpython2_7-1_0Upgrade python311-tkUpgrade python313-toolsUpgrade python3-docUpgrade python-tkUpgrade python313-nogil-devel | Apr 8, 2026 | Apr 7, 2026 |
| Ubuntu | — | Upgrade python3.9 (Ubuntu Pro)Upgrade python3.5 (Ubuntu Pro)Upgrade python3.6 (Ubuntu Pro)Upgrade libpython3.8 (Ubuntu Pro)Upgrade libpython2.7 (Ubuntu Pro)Upgrade libpython3.7 (Ubuntu Pro)Upgrade python3.7 (Ubuntu Pro)Upgrade python3.11 (Ubuntu Pro)Upgrade libpython3.12t64Upgrade python2.7 (Ubuntu Pro)Upgrade python3.10Upgrade libpython3.9 (Ubuntu Pro)Upgrade python3.4 (Ubuntu Pro)Upgrade libpython3.4 (Ubuntu Pro)Upgrade libpython3.5 (Ubuntu Pro)Upgrade python3.12Upgrade python3.8 (Ubuntu Pro)Upgrade libpython3.11 (Ubuntu Pro)Upgrade python3.14Upgrade libpython3.14Upgrade libpython3.6 (Ubuntu Pro)Upgrade libpython3.10 | Jul 6, 2026 | Mar 16, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Mar 16, 2026 |
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