vulnerability
Red Hat: CVE-2022-43680: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Oct 24, 2022 | Jan 13, 2023 | Jul 9, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Oct 24, 2022
Added
Jan 13, 2023
Modified
Jul 9, 2025
Description
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.
Solution(s)
no-fix-redhat-rpm-packageredhat-upgrade-expatredhat-upgrade-expat-debuginforedhat-upgrade-expat-debugsourceredhat-upgrade-expat-develredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsource
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