A ledgersmb security update has been released for Debian GNU/Linux 10 and 11 to address several vulnerabilities.

DSA 4962-1: ledgersmb security update

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Debian Security Advisory DSA-4962-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
August 23, 2021   https://www.debian.org/security/faq
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Package : ledgersmb
CVE ID : CVE-2021-3731 CVE-2021-3693 CVE-2021-3694

Several vulnerabilities were discovered in LedgerSMB, a financial
accounting and ERP program, which could result in cross-site scripting
or clickjacking.

For the oldstable distribution (buster), this problem has been fixed
in version 1.6.9+ds-1+deb10u2.

For the stable distribution (bullseye), this problem has been fixed in
version 1.6.9+ds-2+deb11u2.

We recommend that you upgrade your ledgersmb packages.

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

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