Tag
#libexpat
CVE-2026-72522: libexpat Vulnerability Allows Denial of Service
A medium-severity vulnerability (CVE-2026-72522) in libexpat before version 2.8.3 can lead to a denial-of-service (DoS) attack due to an out-of-bounds read and infinite loop during Unicode processing. This vulnerability has a CVSS score of 6.2 and is not currently being actively exploited. Affected products include libexpat versions prior to 2.8.3.
Understanding and Defending Against Integer Overflow Vulnerability in libexpat
This educational analysis delves into CVE-2026-56407, an integer overflow vulnerability in libexpat before version 2.8.2. The vulnerability, which has a CVSS score of 6.9, is caused by an integer overflow in the doProlog function related to storeEntityValue and entity textLen. We will explore the root cause, attack surface, exploitation mechanics, real-world impact, detection strategies, and defensive measures to protect against this threat.
Integer Overflow Vulnerability in libexpat (CVE-2026-56406)
A medium-severity integer overflow vulnerability was discovered in libexpat before version 2.8.2. The vulnerability affects local attackers who can exploit it to achieve high impact on confidentiality and integrity, and low impact on availability. Affected systems should update to version 2.8.2 or later.
Integer Overflow Vulnerability in libexpat: CVE-2026-56404
A medium-severity integer overflow vulnerability (CVE-2026-56404) was discovered in libexpat before version 2.8.2. The vulnerability, which has a CVSS score of 6.9, exists in the addBinding function and could potentially lead to high confidentiality and integrity impacts. Although it is not currently actively exploited, organizations are advised to update to version 2.8.2 or later to mitigate this vulnerability.