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.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | expat | 2022-12-01 17:34 | ALAS-2022-1655 |
Amazon Linux 2 - Core | expat | 2022-12-01 20:31 | ALAS2-2022-1885 |
Amazon Linux 2023 | expat | 2023-02-17 20:45 | ALAS2023-2023-058 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |