- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2606-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
March 24, 2021                                https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package        : lxml
Version        : 3.7.1-1+deb9u4
CVE ID         : CVE-2021-28957


An issue has been found in lxml, a pythonic binding for the libxml2 and 
libxslt libraries.

Due to missing input sanitization, XSS is possible for the HTML5 
formaction attribute.


For Debian 9 stretch, this problem has been fixed in version
3.7.1-1+deb9u4.

We recommend that you upgrade your lxml packages.

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

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

Debian LTS: DLA-2606-1: lxml security update

March 24, 2021
An issue has been found in lxml, a pythonic binding for the libxml2 and libxslt libraries

Summary

An issue has been found in lxml, a pythonic binding for the libxml2 and
libxslt libraries.

Due to missing input sanitization, XSS is possible for the HTML5
formaction attribute.


For Debian 9 stretch, this problem has been fixed in version
3.7.1-1+deb9u4.

We recommend that you upgrade your lxml packages.

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

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



Severity
Package : lxml
Version : 3.7.1-1+deb9u4
CVE ID : CVE-2021-28957

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