Deadlock in xpdf - CVE-2023-3436
Published: August 15, 2023
Vulnerability identifier: #VU79510
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-3436
CWE-ID: CWE-833
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a deadlock on a PDF object stream whose "Length" field is itself in another object stream. A remote attacker can pass specially crafted PDF files to the application and perform a denial of service (DoS) attack.
Affected software
xpdf
Gentoo Linux
Slackware Linux
xpdf
app-text/xpdf
Gentoo Linux
Slackware Linux
xpdf
app-text/xpdf
How to mitigate CVE-2023-3436
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
xpdf - update to 4.05
app-text/xpdf - update to 4.05
app-text/xpdf - update to 4.05