Improper handling of highly compressed data in gosaml2 - CVE-2023-26483
Published: March 1, 2023 / Updated: April 28, 2026
Vulnerability identifier: #VU128389
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-26483
CWE-ID: CWE-409
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
gosaml2
gosaml2
Software vendor:
Russell Haering
Russell Haering
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper handling of highly compressed data in deflate decompression processing when processing a deflate-compressed request. A remote attacker can send a specially crafted compressed request to cause a denial of service.
The issue may lead to memory exhaustion and the process being killed.
Remediation
Install security update from vendor's website.