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CVE-2022-43680: Apache OpenOffice: "Use after free" fixed in libexpat

Severity: Moderate

Affected versions:

- Apache OpenOffice through 4.1.15

Description:

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations.

References: https://openoffice.apache.org/ https://www.cve.org/CVERecord?id=CVE-2022-43680 -- Arrigo

First published (updated )
https://seclists.org/oss-sec/2023/q4/345

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