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: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network (CVE-2026-34980) 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
CVE-2026-34980 is a vulnerability in OpenPrinting CUPS where a shared PostScript queue permits anonymous Print-Job requests to reach the `lp` code execution path over the network. This flaw affects Red Hat Enterprise Linux versions 8 (>=8.0 <8.10) and 10 (specific updates up to 10.2). The vulnerability is rated moderate by Red Hat Product Security. Security updates have been issued to fix this issue, preventing unauthorized code execution via network print jobs.
Potential Impact
The vulnerability allows an attacker to send anonymous Print-Job requests that can reach the `lp` code execution path over the network, potentially enabling unauthorized code execution. This could compromise the affected system by allowing execution of arbitrary code with the privileges of the printing service. The severity is rated moderate, indicating a significant but not critical risk.
Mitigation Recommendations
A security update fixing CVE-2026-34980 is available from Red Hat for affected versions of Red Hat Enterprise Linux 8 and 10. Users should apply the provided patches as detailed in the Red Hat advisories RHSA-2026:36733 and RHSA-2026:39302. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is indicated by the vendor advisory.
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: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network (CVE-2026-34980) 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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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34980 is a vulnerability in OpenPrinting CUPS where a shared PostScript queue permits anonymous Print-Job requests to reach the `lp` code execution path over the network. This flaw affects Red Hat Enterprise Linux versions 8 (>=8.0 <8.10) and 10 (specific updates up to 10.2). The vulnerability is rated moderate by Red Hat Product Security. Security updates have been issued to fix this issue, preventing unauthorized code execution via network print jobs.
Potential Impact
The vulnerability allows an attacker to send anonymous Print-Job requests that can reach the `lp` code execution path over the network, potentially enabling unauthorized code execution. This could compromise the affected system by allowing execution of arbitrary code with the privileges of the printing service. The severity is rated moderate, indicating a significant but not critical risk.
Mitigation Recommendations
A security update fixing CVE-2026-34980 is available from Red Hat for affected versions of Red Hat Enterprise Linux 8 and 10. Users should apply the provided patches as detailed in the Red Hat advisories RHSA-2026:36733 and RHSA-2026:39302. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation is indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:36733
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a4e6c4ac9d9e3dbe35644e9
Added to database: 07/08/2026, 15:27:06 UTC
Last enriched: 08/17/2026, 19:06:43 UTC
Last updated: 08/22/2026, 10:52:08 UTC
Views: 171
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