RLSA-2026:39316 Moderate: cups security update

The Common UNIX Printing System CUPS provides a portable printing layer for Linux, UNIX, and similar operating systems. Security Fixes: cups: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach lp code execution over the network CVE-2026-34980 For more details about...

ROS-20260622-73-0023

The vulnerability of the cfFilterImageToRaster function in the printing server of CUPS involves reading memory beyond the allocated buffer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality and integrity of the protected information...

Unauthenticated Remote Code Execution

Description Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. This leads to a remote code execution vulnerability. Print servers configured with "printing...

CUPS copy_stack() Heap Buffer Overflow DoS

The vulnerability of the copystack function in the CUPS printing server relates to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and cause service failures...

CUPS Pointer Arithmetic DoS

The vulnerability of the CUPS printing server is related to pointer arithmetic errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

CUPS Heap Buffer Overflow DoS

The vulnerability of the cupsArrayAddStrings function on CUPS printing servers is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability can allow an attacker to cause service failures...

OESA-2026-2197 cups security update

CUPS is the standards-based, open source printing system developed by Apple Inc. for UNIX®-like operating systems. CUPS uses the Internet Printing Protocol IPP to support printing to local and network printers. Security Fixes: OpenPrinting CUPS is an open source printing system for Linux and othe...

CVE-2026-41079

OpenPrinting CUPS (prior to 2.4.17) is vulnerable to a network-adjacent attacker who can send a crafted SNMP response to the CUPS SNMP backend, causing an out-of-bounds read of up to 176 bytes past a stack buffer. The leaked memory is interpreted from UTF-16 to UTF-8 and stored as printer supply ...

EUVD-2026-25574

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.17, a network-adjacent attacker can send a crafted SNMP response to the CUPS SNMP backend that causes an out-of-bounds read of up to 176 bytes past a stack buffer. The leaked memory i...

cups: OpenPrinting CUPS: Authorization bypass via case-insensitive username comparison

A flaw was found in OpenPrinting CUPS. This authorization bypass vulnerability allows an unprivileged user to gain unauthorized access to restricted operations. This can be exploited by using a username that differs only in case from an authorized user during authorization checks...

CVE-2026-39314

A flaw was found in CUPS, an open-source printing system. An unprivileged local user can exploit an integer underflow vulnerability by providing a negative job-password-supported Internet Printing Protocol IPP attribute. This manipulation causes the cupsd root process to crash, which can be...

cupsd Server Code Execution

The vulnerability of the cupsd server printing service in CUPS is related to deficiencies in the mechanism for verifying input data when processing the parameter “textWithoutLanguage”. Exploiting this vulnerability allows a malicious actor to execute arbitrary code by sending a specially crafted...

CVE-2026-39316 CUPS has a use-after-free in `cupsdDeleteTemporaryPrinters` via dangling subscription pointer

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a use-after-free vulnerability exists in the CUPS scheduler cupsd when temporary printers are automatically deleted. cupsdDeleteTemporaryPrinters in...

CVE-2026-34978

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri e.g., rss:///../job.cache, letting a remote IPP client write RSS XML bytes outside CacheDir/rss...

UBUNTU-CVE-2026-34979

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly...

CVE-2026-34978 OpenPrinting CUPS: Path traversal in RSS notify-recipient-uri enables file write outside CacheDir/rss (and clobbering of job.cache)

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri e.g., rss:///../job.cache, letting a remote IPP client write RSS XML bytes outside CacheDir/rss...

CUPS Resource Consumption DoS

The vulnerability of the CUPS printing server is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a hacker to cause a service failure...

MiracleLinux 3 : cups-1.3.7-11.3.1AXS3 (AXSA:2009-414:03)

The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2009-414:03 advisory. The Common UNIX Printing System provides a portable printing layer for UNIX operating systems. It has been developed by Easy Software Products to...

cups: Slow client communication leads to a possible DoS attack

A flaw was found in cups. A client that connects to cupsd but sends slow messages, e.g. only one byte per second, delays cupsd as a whole, such that it becomes unusable by other clients...

Medium: cups-filters

Issue Overview: CUPS is a standards-based, open-source printing system, and libcupsfilters contains the code of the filters of the former cups-filters package as library functions to be used for the data format conversion tasks needed in Printer Applications. In CUPS-Filters versions up to and...