Astra Linux – Vulnerability in cups

OpenPrinting CUPS is an open-source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and earlier, there was an integer underflow vulnerability in the ppdCreateFromIPP function cups/ppd-cache.c. This vulnerability allowed any unprivileged local user to crash the...

CLSA-2026-1779436377 cups: Fix of CVE-2026-27447

CVE-2026-27447: fix authorization bypass in cupsd by replacing case-insensitive username comparisons with byte-exact strcmp against pw-pwname; also include upstream follow-up commit 849fba7d "Fix unauthenticated print policies", Issue 1557 to restore behavior for CUPSDAUTHNONE policies with named...

CLSA-2026-1778253061 Fix CVE(s): CVE-2026-27447

SECURITY UPDATE: fix authorization bypass in cupsd caused by case-insensitive comparison of local user and group names. - debian/patches/CVE-2026-27447.patch: compare usernames against the canonical pwname from getpwnam with strcmp in cupsdCheckGroup and cupsdIsAuthorized in scheduler/auth.c;...

CLSA-2026-1777392877 cups: Fix of CVE-2026-34980

CVE-2026-34980: filter control characters from IPP option values and allowlist PPD keywords returned by filters so a remote attacker cannot inject cupsFilter/cupsFilter2 entries on a shared PostScript queue and gain code execution as the cupsd user...

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...

OESA-2026-1930 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: cups (UTSA-2026-007174)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007174 advisory. OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coer...

CUPS has an integer underflow in `_ppdCreateFromIPP` causes root cupsd crash via negative `job-password-supported`

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SUSE CVE-2026-39314

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer underflow vulnerability in ppdCreateFromIPP cups/ppd-cache.c allows any unprivileged local user to crash the cupsd root process by supplying a negative...

The vulnerability of the cupsd server daemon in the CUPS printing system allows a hacker to execute arbitrary code.

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...

ALPINE-CVE-2026-39314

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer underflow vulnerability in ppdCreateFromIPP cups/ppd-cache.c allows any unprivileged local user to crash the cupsd root process by supplying a negative...

CVE-2026-39314

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer underflow vulnerability in ppdCreateFromIPP cups/ppd-cache.c allows any unprivileged local user to crash the cupsd root process by supplying a negative...

CVE-2026-39314 CUPS has an integer underflow in `_ppdCreateFromIPP` causes root cupsd crash via negative `job-password-supported`

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer underflow vulnerability in ppdCreateFromIPP cups/ppd-cache.c allows any unprivileged local user to crash the cupsd root process by supplying a negative...

CVE-2026-39314

OpenPrinting CUPS (CVE-2026-39314) is vulnerable in versions 2.4.16 and prior. The root cause is an integer underflow in _ppdCreateFromIPP (cups/ppd-cache.c): a negative job-password-supported IPP attribute passes bounds checks, is cast to size_t, and is used as a length in memset() on a 33-byte ...

PT-2026-30924

Name of the Vulnerable Software and Affected Versions OpenPrinting CUPS versions 2.4.16 and prior Description OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. An integer underflow in the ppdCreateFromIPP function cups/ppd-cache.c allows a local...

Linux Distros Unpatched Vulnerability : CVE-2026-34980

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, in a network-exposed cupsd wi...

CVE-2026-34990

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service with a reusable Authorization: Local ... token. That...

CVE-2026-34980

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client can send a Print-Job to that shared PostScript queue without authentication. The server...

Astra Linux – Vulnerability in cups

OpenPrinting CUPS is an open-source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a client that connected to cupsd but sent very slow messages—for example, only one byte per second—could delay cupsd as a whole, rendering it unusable for other clients...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: cups (UTSA-2026-005326)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005326 advisory. OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a client that connects to cupsd but sen...