Red Hat Security Advisory: cups security update
The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems. Security Fix(es): * CUPS: Local denial-of-service via cupsd.conf update and related issues (CVE-2025-61915) * cups: Slow client communication leads to a possible DoS attack (CVE-2025-58436) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The advisory covers two security issues in CUPS on Red Hat Enterprise Linux 9. CVE-2025-61915 involves a local denial-of-service vulnerability triggered by updates to the cupsd.conf configuration file and related issues. CVE-2025-58436 involves a potential denial-of-service attack due to slow client communication. Both vulnerabilities could disrupt printing services. Red Hat has issued a security update (RHSA-2026:0312) that fixes these vulnerabilities in CUPS packages for multiple architectures and variants of RHEL 9.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial-of-service conditions on affected systems by disrupting the CUPS printing service. This could impact availability of printing functionality on Red Hat Enterprise Linux 9 systems. There are no indications of remote code execution or privilege escalation from the provided data.
Mitigation Recommendations
Red Hat has released an official security update for CUPS in Red Hat Enterprise Linux 9 to address these vulnerabilities. Users should apply the update as described in the Red Hat advisory RHSA-2026:0312 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated or required beyond applying the official patch.
Red Hat Security Advisory: cups security update
Description
The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems. Security Fix(es): * CUPS: Local denial-of-service via cupsd.conf update and related issues (CVE-2025-61915) * cups: Slow client communication leads to a possible DoS attack (CVE-2025-58436) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The advisory covers two security issues in CUPS on Red Hat Enterprise Linux 9. CVE-2025-61915 involves a local denial-of-service vulnerability triggered by updates to the cupsd.conf configuration file and related issues. CVE-2025-58436 involves a potential denial-of-service attack due to slow client communication. Both vulnerabilities could disrupt printing services. Red Hat has issued a security update (RHSA-2026:0312) that fixes these vulnerabilities in CUPS packages for multiple architectures and variants of RHEL 9.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial-of-service conditions on affected systems by disrupting the CUPS printing service. This could impact availability of printing functionality on Red Hat Enterprise Linux 9 systems. There are no indications of remote code execution or privilege escalation from the provided data.
Mitigation Recommendations
Red Hat has released an official security update for CUPS in Red Hat Enterprise Linux 9 to address these vulnerabilities. Users should apply the update as described in the Red Hat advisory RHSA-2026:0312 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated or required beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:0312
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-61915"]
- Cvss Version
- null
Threat ID: 6a3da1cc4853345fc1822d2e
Added to database: 06/25/2026, 21:46:52 UTC
Last enriched: 06/25/2026, 22:04:30 UTC
Last updated: 07/04/2026, 20:51:21 UTC
Views: 7
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