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Ubuntu 20.04 LTS: USN-7189-1 critical: HTMLDOC buffer overflow

ubuntu
Calendar Grey January 8, 2025
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-7190-1 tackles multiple security flaws in the XYZ software across various Ubuntu versions
Several security issues were fixed in HTMLDOC.

Summary

Several security issues were fixed in HTMLDOC.

Software Description:

- htmldoc: HTML processor that generates indexed HTML, PS, and PDF

Details:

It was discovered that HTMLDOC incorrectly handled certain inputs, which

could lead to an integer overflow. An attacker could potentially use this

issue to cause a denial of service or execute arbitrary code.

(CVE-2021-20308)

It was discovered that HTMLDOC incorrectly handled memory in pspdf_export,

which could lead to a double-free. An attacker could potentially use this

issue to cause a denial of service or execute arbitrary code.

(CVE-2021-23158)

It was discovered that HTMLDOC incorrectly handled memory when loading a

JPEG image, which could lead to a NULL pointer dereference. An attacker

could potentially use this issue to cause a denial of service.

(CVE-2021-23191, CVE-2021-26948)

It was discovered that HTMLDOC incorrectly handled certain inputs, which

could lead to a stack buffer overflow. An attacker co...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu integer overflow memory management HTMLDOC

Update Instructions

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

Ubuntu 20.04 LTS
   htmldoc                         1.9.7-1ubuntu0.3+esm1
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   htmldoc                         1.9.2-1ubuntu0.2+esm1
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   htmldoc                         1.8.27-8ubuntu1.1+esm2
                                   Available with Ubuntu Pro

Ubuntu 14.04 LTS
   htmldoc                         1.8.27-8ubuntu1+esm3
                                   Available with Ubuntu Pro

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

References

  https://ubuntu.com/security/notices/USN-7189-1

  CVE-2021-20308, CVE-2021-23158, CVE-2021-23191, CVE-2021-23206,

  CVE-2021-26252, CVE-2021-26259, CVE-2021-26948, CVE-2021-34119,

  CVE-2021-34121, CVE-2021-40985, CVE-2021-43579

Severity
critical
Lowest
Low
Medium
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Critical

Ubuntu Security Notice USN-7189-1

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow Ubuntu integer overflow memory management HTMLDOC

Package Information

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