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Debian LTS Advisory DLA-2935-1                [email protected]
https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
March 07, 2022                                https://wiki.debian.org/LTS
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Package        : expat
Version        : 2.2.0-2+deb9u5
CVE ID         : CVE-2022-23852 CVE-2022-25235 CVE-2022-25236 CVE-2022-25313
                 CVE-2022-25315
Debian Bug     : 1005894 1005895

Several vulnerabilities have been discovered in Expat, an XML parsing C
library, which could result in denial of service or potentially the
execution of arbitrary code, if a malformed XML file is processed.

For Debian 9 stretch, these problems have been fixed in version
2.2.0-2+deb9u5.

We recommend that you upgrade your expat packages.

For the detailed security status of expat please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/expat

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS