Use-after-free in Adobe XMP-Toolkit-SDK - CVE-2021-36055

Vulnerability identifier: #VU55950

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-36055

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can perform a denial of service (DoS) attack.

Adobe XMP-Toolkit-SDK
Ubuntu
exempi (Ubuntu package)
libexempi3 (Ubuntu package)
libexempi8 (Ubuntu package)

Install updates from vendor's website.

Adobe XMP-Toolkit-SDK - update to 2021.07
exempi (Ubuntu package) - addressed in versions 2.4.5-2ubuntu0.1, 2.5.1-1ubuntu0.1, 2.5.2-1ubuntu0.21.10.1, 2.5.2-1ubuntu0.22.04.1
libexempi3 (Ubuntu package) - update to 2.4.5-2ubuntu0.1
libexempi8 (Ubuntu package) - addressed in versions 2.5.1-1ubuntu0.1, 2.5.2-1ubuntu0.21.10.1, 2.5.2-1ubuntu0.22.04.1

• https://helpx.adobe.com/security/products/xmpcore/apsb21-65.html

• Multiple vulnerabilities in Adobe XMP-Toolkit-SDK
• Ubuntu update for exempi