==========================================================================
Ubuntu Security Notice USN-6233-2
December 14, 2023

yajl vulnerabilities
==========================================================================

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

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in YAJL.

Software Description:
- yajl: Yet Another JSON Library

Details:

USN-6233-1 fixed vulnerabilities in YAJL. This update provides the
corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu
23.04.

Original advisory details:

  It was discovered that YAJL was not properly performing bounds checks when
  decoding a string with escape sequences. If a user or automated system
  using YAJL were tricked into processing specially crafted input, an
  attacker could possibly use this issue to cause a denial of service
  (application abort). (CVE-2017-16516)

  It was discovered that YAJL was not properly handling memory allocation
  when dealing with large inputs, which could lead to heap memory
  corruption. If a user or automated system using YAJL were tricked into
  running a specially crafted large input, an attacker could possibly use
  this issue to cause a denial of service. (CVE-2022-24795)

  It was discovered that memory leaks existed in one of the YAJL parsing
  functions. An attacker could possibly use this issue to cause a denial of
  service (memory exhaustion). (CVE-2023-33460)

Update instructions:

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

Ubuntu 23.04:
   libyajl2                        2.1.0-3ubuntu0.23.04.1

Ubuntu 22.04 LTS:
   libyajl2                        2.1.0-3ubuntu0.22.04.1

Ubuntu 20.04 LTS:
   libyajl2                        2.1.0-3ubuntu0.20.04.1

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

References:
   https://ubuntu.com/security/notices/USN-6233-2
   https://ubuntu.com/security/notices/USN-6233-1
   CVE-2017-16516, CVE-2022-24795, CVE-2023-33460

Package Information:
   https://launchpad.net/ubuntu/+source/yajl/2.1.0-3ubuntu0.23.04.1
   https://launchpad.net/ubuntu/+source/yajl/2.1.0-3ubuntu0.22.04.1
   https://launchpad.net/ubuntu/+source/yajl/2.1.0-3ubuntu0.20.04.1

Ubuntu 6233-2: YAJL vulnerabilities

December 14, 2023
Several security issues were fixed in YAJL.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in YAJL. Software Description: - yajl: Yet Another JSON Library Details: USN-6233-1 fixed vulnerabilities in YAJL. This update provides the corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. Original advisory details:  It was discovered that YAJL was not properly performing bounds checks when  decoding a string with escape sequences. If a user or automated system  using YAJL were tricked into processing specially crafted input, an  attacker could possibly use this issue to cause a denial of service  (application abort). (CVE-2017-16516)  It was discovered that YAJL was not properly handling memory allocation  when dealing with large inputs, which could lead to heap memory  corruption. If a user or automated system using YAJL were tricked into  running a specially crafted large input, an attacker could possibly use  this issue to cause a denial of service. (CVE-2022-24795)  It was discovered that memory leaks existed in one of the YAJL parsing  functions. An attacker could possibly use this issue to cause a denial of  service (memory exhaustion). (CVE-2023-33460)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04:   libyajl2                        2.1.0-3ubuntu0.23.04.1 Ubuntu 22.04 LTS:   libyajl2                        2.1.0-3ubuntu0.22.04.1 Ubuntu 20.04 LTS:   libyajl2                        2.1.0-3ubuntu0.20.04.1 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-6233-2

  https://ubuntu.com/security/notices/USN-6233-1

  CVE-2017-16516, CVE-2022-24795, CVE-2023-33460

Severity
Ubuntu Security Notice USN-6233-2

Package Information

  https://launchpad.net/ubuntu/+source/yajl/2.1.0-3ubuntu0.23.04.1   https://launchpad.net/ubuntu/+source/yajl/2.1.0-3ubuntu0.22.04.1   https://launchpad.net/ubuntu/+source/yajl/2.1.0-3ubuntu0.20.04.1

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