In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
CVSS Details
- 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 expat-develUpgrade expat | Jan 17, 2023 | Oct 24, 2022 |
| Alpine Linux | — | Upgrade expat | Mar 26, 2024 | Oct 24, 2022 |
| Amazon Linux Ami 2 | — | Upgrade expat-debuginfoUpgrade expatUpgrade expat-staticUpgrade expat-devel | Dec 7, 2022 | Oct 24, 2022 |
| Amazon_linux | — | Upgrade expat | Dec 10, 2022 | Oct 24, 2022 |
| Amazon_linux_2023 | — | Upgrade expat-staticUpgrade expat-debugsourceUpgrade expat-debuginfoUpgrade expat-develUpgrade expat | Feb 17, 2025 | Oct 24, 2022 |
| Apache Openoffice | — | Upgrade Apache OpenOffice to the latest version | Sep 12, 2025 | Oct 24, 2022 |
| Centos_linux | — | Upgrade expat-debuginfoUpgrade expat-debugsourceUpgrade expat-develUpgrade expat | Jan 13, 2023 | Oct 24, 2022 |
| Debian | — | Upgrade expat | Oct 31, 2022 | Oct 24, 2022 |
| Dell Idrac | — | Upgrade Dell iDRAC to the latest version | Jul 15, 2026 | Jul 14, 2026 |
| Dell Powerstore Dsa2023173 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Jun 21, 2023 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | May 25, 2024 |
| Gentoo Linux | — | Upgrade dev-libs/expat. | Nov 1, 2022 | Oct 24, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade expat | Feb 13, 2023 | Oct 24, 2022 |
| Huawei Euleros 2_0_sp11 | — | Upgrade expat | Jan 6, 2023 | Oct 24, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade expatUpgrade expat-devel | Feb 9, 2023 | Oct 24, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade expat | Jan 9, 2023 | Oct 24, 2022 |
| Ibm Aix | — | Apply the fix or workaround for python_advisory3 | Dec 23, 2022 | Oct 24, 2022 |
| Ibm Http_server | — | Apply IBM HTTP Server version 8.0.0.16 or laterApply IBM HTTP Server Interim Fix PH50316Apply IBM HTTP Server version 9.0.5.15 or laterApply IBM HTTP Server version 7.0.0.46 or laterApply IBM HTTP Server version 8.5.5.23 or later | Nov 26, 2025 | Nov 22, 2022 |
| Oracle Missing Cpu Jul 2023 | — | Apply the July 2023 Critical Patch Update (CPU) for Oracle Database | Jul 18, 2023 | Oct 24, 2022 |
| Oracle_linux | — | Upgrade expat-develUpgrade expat | Jan 13, 2023 | Oct 24, 2022 |
| Redhat_linux | — | Upgrade expatNo solution existsUpgrade expat-debugsourceUpgrade firefoxUpgrade firefox-debugsourceUpgrade expat-debuginfoUpgrade expat-develUpgrade firefox-debuginfo | Jan 13, 2023 | Oct 24, 2022 |
| Rocky_linux | — | Upgrade expat-debugsourceUpgrade expatUpgrade expat-develUpgrade expat-debuginfo | Mar 12, 2024 | Oct 24, 2022 |
| Splunk | — | Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Enterprise to version 9.0.5 | Sep 30, 2025 | Oct 24, 2022 |
| Suse | — | Upgrade libexpat1-32bitUpgrade libexpat-devel-32bitUpgrade libexpat-develUpgrade expatUpgrade libexpat1 | Nov 7, 2022 | Oct 24, 2022 |
| Ubuntu | — | Upgrade libexpat1 (Ubuntu Pro)Upgrade expatUpgrade lib64expat1 (Ubuntu Pro)Upgrade expat (Ubuntu Pro)Upgrade libexpat1 | Nov 18, 2022 | Oct 24, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 24, 2022 |
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