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Ubuntu 22.04 & 25.04: LedgerSMB Critical Security Fixes USN-7647-1

ubuntu
Calendar Grey July 17, 2025
Dist Ubuntu Esm H88
LedgerSMB faced multiple critical security issues in Ubuntu affecting various releases with risks of data exposure.
Several security issues were fixed in LedgerSMB.

Summary

Several security issues were fixed in LedgerSMB.

Software Description:

- ledgersmb: A libre software double entry accounting and enterprise resource planning (ERP) system

Details:

It was discovered that LedgerSMB did not check the origin of HTML

fragments. An attacker could possibly use this issue to send a

maliciously crafted URL to the server and obtain sensitive

information, or execute arbitrary code. This issue only affected

Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 25.04.

(CVE-2021-3693)

It was discovered that LedgerSMB did not properly encode HTML

error messages. An attacker could possibly use this issue to send

a maliciously crafted URL to the server and obtain sensitive

information, or execute arbitrary code. This issue only affected

Ubuntu 18.04 LTS. (CVE-2021-3694)

It was discovered that LedgerSMB did not guard against discrete

link redirections. An attacker could possibly use this issue to

obtain sensitive information. This issue only affected Ubuntu

16.04 LTS ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical Ubuntu information disclosure execution sensitive data

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
  ledgersmb                       1.6.33+ds-2.2ubuntu0.25.04.1

Ubuntu 24.04 LTS
  ledgersmb                       1.6.33+ds-2.1ubuntu0.1

Ubuntu 22.04 LTS
  ledgersmb                       1.6.33+ds-1ubuntu0.1

Ubuntu 20.04 LTS
  ledgersmb                       1.6.9+ds-1ubuntu0.1+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  ledgersmb                       1.4.42+ds-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  ledgersmb                       1.3.46-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

After a standard system update you need to restart LedgerSMB to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7647-1

CVE-2021-3693, CVE-2021-3694, CVE-2021-3731, CVE-2021-3882,

CVE-2024-23831

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7647-1

Topics%20covered

Topics Covered

security advisory critical Ubuntu information disclosure execution sensitive data

Package Information

https://launchpad.net/ubuntu/+source/ledgersmb/1.6.33+ds-2.2ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/ledgersmb/1.6.33+ds-2.1ubuntu0.1

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