- Vulnerability/
- USN-6233-2
USN-6233-2: YAJL vulnerabilities
First published: Thu Dec 14 2023(Updated: )
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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libyajl2 | <2.1.0-3ubuntu0.23.04.1 | 2.1.0-3ubuntu0.23.04.1 |
| Ubuntu Ubuntu | =23.04 | |
| All of | ||
| ubuntu/libyajl2 | <2.1.0-3ubuntu0.22.04.1 | 2.1.0-3ubuntu0.22.04.1 |
| Ubuntu Ubuntu | =22.04 | |
| All of | ||
| ubuntu/libyajl2 | <2.1.0-3ubuntu0.20.04.1 | 2.1.0-3ubuntu0.20.04.1 |
| Ubuntu Ubuntu | =20.04 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://ubuntu.com/security/CVE-2023-33460
- https://ubuntu.com/security/CVE-2017-16516
- https://ubuntu.com/security/CVE-2022-24795
- https://ubuntu.com/security/notices/USN-6233-1
- 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
- https://ubuntu.com/security/notices/USN-6233-2 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
- agent/references
- agent/severity
- agent/type
- agent/last-modified-date
- collector/usn
- source/Ubuntu
- anchor-related/USN-6233-1
- agent/software-canonical-lookup
- agent/title
- agent/softwarecombine
- agent/description
- agent/first-publish-date
- agent/event
- agent/tags
- agent/trending
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/23.04
- version/ubuntu ubuntu/22.04
- version/ubuntu ubuntu/20.04