CVE-2026-64612: Uncaught Exception in Red Hat Red Hat Enterprise Linux 10
A flaw was found in libcupsfilters and cups-filters. The PNG image reading function creates a libpng reader without installing an error recovery handler, causing the CUPS image filter process to abort when processing a malformed PNG file. An unauthenticated attacker could exploit this by submitting a specially crafted PNG print job, leading to denial of service of the in-flight print job.
AI Analysis
Technical Summary
CVE-2026-64612 is a denial of service vulnerability in Red Hat Enterprise Linux 10 affecting libcupsfilters and cups-filters. The flaw is due to the PNG image reading function creating a libpng reader without an error recovery handler, which causes the CUPS image filter process to abort when processing malformed PNG files. An unauthenticated attacker can exploit this by submitting a crafted PNG print job, leading to denial of service of the in-flight print job. The CVSS 3.1 base score is 7.5, indicating high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
An unauthenticated attacker can cause denial of service of print jobs by submitting malformed PNG files to the CUPS printing system. This results in the CUPS image filter process aborting, disrupting printing operations. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-64612 for current remediation guidance. Until a patch is available, consider restricting access to the printing service from untrusted sources to reduce exposure.
CVE-2026-64612: Uncaught Exception in Red Hat Red Hat Enterprise Linux 10
Description
A flaw was found in libcupsfilters and cups-filters. The PNG image reading function creates a libpng reader without installing an error recovery handler, causing the CUPS image filter process to abort when processing a malformed PNG file. An unauthenticated attacker could exploit this by submitting a specially crafted PNG print job, leading to denial of service of the in-flight print job.
CVSS v3.1
Score 7.5high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64612 is a denial of service vulnerability in Red Hat Enterprise Linux 10 affecting libcupsfilters and cups-filters. The flaw is due to the PNG image reading function creating a libpng reader without an error recovery handler, which causes the CUPS image filter process to abort when processing malformed PNG files. An unauthenticated attacker can exploit this by submitting a crafted PNG print job, leading to denial of service of the in-flight print job. The CVSS 3.1 base score is 7.5, indicating high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
An unauthenticated attacker can cause denial of service of print jobs by submitting malformed PNG files to the CUPS printing system. This results in the CUPS image filter process aborting, disrupting printing operations. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-64612 for current remediation guidance. Until a patch is available, consider restricting access to the printing service from untrusted sources to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-07-20T11:15:34.675Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-64612","vendor":"Red Hat"}]
Threat ID: 6a5e61942a4a8d59897a507d
Added to database: 07/20/2026, 17:57:40 UTC
Last enriched: 07/30/2026, 12:38:20 UTC
Last updated: 09/04/2026, 10:52:10 UTC
Views: 117
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.