Security update for libcupsfilters
Two vulnerabilities in libcupsfilters affect Red Hat Enterprise Linux 10 and SUSE products. CVE-2026-64611 is an infinite-loop CPU exhaustion denial-of-service in the cfIEEE1284NormalizeMakeModel function triggered by an empty MDL field. CVE-2026-64612 causes the CUPS image filter process to abort when processing a malformed PNG file. These issues have been addressed in security updates provided by Red Hat and SUSE.
AI Analysis
Technical Summary
The libcupsfilters library, used by CUPS printing filters and the cups-browsed daemon, contains two vulnerabilities. CVE-2026-64611 is an infinite loop in the cfIEEE1284NormalizeMakeModel function caused by an empty MDL field, leading to CPU exhaustion and denial of service. CVE-2026-64612 involves a malformed PNG file causing the CUPS image filter process to abort. Red Hat has released security updates for Red Hat Enterprise Linux 10 to fix these issues, with patches available in libcupsfilters version 2.0.0-13.el10_2 and related packages.
Potential Impact
Successful exploitation of CVE-2026-64611 can cause a denial-of-service condition via CPU exhaustion due to an infinite loop. CVE-2026-64612 can cause the CUPS image filter process to abort, potentially disrupting printing services. Both vulnerabilities impact the availability of printing services on affected systems.
Mitigation Recommendations
Security updates fixing these vulnerabilities are available from Red Hat and SUSE. Red Hat Enterprise Linux 10 users should apply the libcupsfilters update version 2.0.0-13.el10_2 or later as provided in the Red Hat advisory RHSA-2026:56965. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258. Applying these updates mitigates the vulnerabilities. No additional mitigation steps are indicated by the vendor advisories.
Security update for libcupsfilters
Description
Two vulnerabilities in libcupsfilters affect Red Hat Enterprise Linux 10 and SUSE products. CVE-2026-64611 is an infinite-loop CPU exhaustion denial-of-service in the cfIEEE1284NormalizeMakeModel function triggered by an empty MDL field. CVE-2026-64612 causes the CUPS image filter process to abort when processing a malformed PNG file. These issues have been addressed in security updates provided by Red Hat and SUSE.
Affected software
pkg:rpm/redhat/libcupsfiltersRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libcupsfilters library, used by CUPS printing filters and the cups-browsed daemon, contains two vulnerabilities. CVE-2026-64611 is an infinite loop in the cfIEEE1284NormalizeMakeModel function caused by an empty MDL field, leading to CPU exhaustion and denial of service. CVE-2026-64612 involves a malformed PNG file causing the CUPS image filter process to abort. Red Hat has released security updates for Red Hat Enterprise Linux 10 to fix these issues, with patches available in libcupsfilters version 2.0.0-13.el10_2 and related packages.
Potential Impact
Successful exploitation of CVE-2026-64611 can cause a denial-of-service condition via CPU exhaustion due to an infinite loop. CVE-2026-64612 can cause the CUPS image filter process to abort, potentially disrupting printing services. Both vulnerabilities impact the availability of printing services on affected systems.
Mitigation Recommendations
Security updates fixing these vulnerabilities are available from Red Hat and SUSE. Red Hat Enterprise Linux 10 users should apply the libcupsfilters update version 2.0.0-13.el10_2 or later as provided in the Red Hat advisory RHSA-2026:56965. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258. Applying these updates mitigates the vulnerabilities. No additional mitigation steps are indicated by the vendor advisories.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:56965
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-64612"]
- State
- PUBLISHED
Threat ID: 6a85ee31acd9273b4969ad04
Added to database: 08/19/2026, 17:56:01 UTC
Last enriched: 09/17/2026, 03:15:18 UTC
Last updated: 10/03/2026, 19:26:00 UTC
Views: 70
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