Integer overflow in cURL - CVE-2025-0725
Published: February 5, 2025
Vulnerability identifier: #VU103646
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-0725
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: curl.haxx.se
Affected software:
cURL
cURL
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when handling gzip decompression of content-encoded HTTP responses with the CURLOPT_ACCEPT_ENCODING option using zlib 1.2.0.3 or older. A remote attacker can send specially crafted response to the application, trigger an integer overflow and execute arbitrary code on the target system.
How to mitigate CVE-2025-0725
Install updates from vendor's website.