Out-of-bounds write in cups - CVE-2025-61915
Published: November 27, 2025
Vulnerability identifier: #VU118817
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-61915
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: OpenPrinting
Affected software:
cups
cups
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when parsing IPv6 address within the get_addr_and_mask() function. A local user in the lpadmin group can use the cups web UI to change the configuration and crash the daemon.
How to mitigate CVE-2025-61915
Install updates from vendor's website.