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[USN-8838-1] catdoc vulnerabilities

Posted on 29 September 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8838-1
September 28, 2026

catdoc vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in catdoc.

Software Description:
- catdoc: text extractor for MS-Office files

Details:

It was discovered that catdoc had an integer overflow when processing
shared string tables in malformed spreadsheet files. An attacker could
possibly use this issue to cause catdoc to crash or execute arbitrary code.
(CVE-2024-48877)

It was discovered that catdoc had an integer overflow when processing file
allocation tables in malformed document files. An attacker could possibly
use this issue to cause catdoc to crash or execute arbitrary code.
(CVE-2024-52035)

It was discovered that catdoc incorrectly validated sector sizes when
processing malformed document files, leading to an integer underflow. An
attacker could possibly use this issue to cause catdoc to crash or execute
arbitrary code. (CVE-2024-54028)

Update instructions:

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

Ubuntu 24.04 LTS
catdoc 1:0.95-5ubuntu0.24.04.1~esm1
Available with Ubuntu Pro

Ubuntu 22.04 LTS
catdoc 1:0.95-5ubuntu0.22.04.1~esm1
Available with Ubuntu Pro

Ubuntu 20.04 LTS
catdoc 1:0.95-4.1ubuntu0.20.04.1~esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
catdoc 1:0.95-4.1ubuntu0.18.04.1~esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
catdoc 1:0.94.3~git20160113.dbc9ec6+dfsg-1+deb9u1ubuntu0.1~esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8838-1
CVE-2024-48877, CVE-2024-52035, CVE-2024-54028

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