#VU74022 Use-after-free in xpdf - CVE-2022-38222

Vulnerability identifier: #VU74022

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-38222

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xpdf
Client/Desktop applications / Office applications

Vendor: Glyph & Cog

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in JBIG2Stream::close() located in JBIG2Stream.cc. A remote attacker can execute arbitrary code on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

xpdf: 0.2 - 4.04

---

External links
https://forum.xpdfreader.com/viewtopic.php?f=3&t=42320
https://www.xpdfreader.com/security-fixes.html#4.05

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?