VDB-380714 · CVE-2026-64612 · Nessus 338334

Red Hat libcupsfilters/cups-filters PNG image reading function uncaught exception

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Red Hat libcupsfilters and cups-filters. This issue affects some unknown processing of the component PNG image reading function. Such manipulation leads to input validation. This vulnerability is traded as CVE-2026-64612. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Red Hat libcupsfilters and cups-filters (unknown version) and classified as critical. Affected by this issue is an unknown code block of the component PNG image reading function. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-248. An exception is thrown from a function, but it is not caught. Impacted is availability. CVE summarizes:

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.

The advisory is available at access.redhat.com. This vulnerability is handled as CVE-2026-64612 since 07/20/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/22/2026).

The vulnerability scanner Nessus provides a plugin with the ID 338334 (RHEL 8 : cups-filters (RHSA-2026:57451)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (338334) and CERT Bund (WID-SEC-2026-2423). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

Red Hat Enterprise Linux
Fedora Linux
Open Source CUPS

Productinfo

Type

Printing Software

Vendor

Red Hat

Name

License

open-source

Website

Vendor: https://www.redhat.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (redhat): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uncaught exception
CWE: CWE-248
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 338334
Nessus Name: RHEL 8 : cups-filters (RHSA-2026:57451)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/20/2026 Advisory disclosed
07/20/2026 +0 days CVE reserved
07/20/2026 +0 days VulDB entry created
08/22/2026 +33 days VulDB entry last update

Sourcesinfo

Vendor: redhat.com

Advisory: access.redhat.com
Status: Not defined

CVE: CVE-2026-64612 (🔒)
GCVE (CVE): GCVE-0-2026-64612
GCVE (VulDB): GCVE-100-380714
CERT Bund: WID-SEC-2026-2423 - CUPS (libcupsfilters, cups-filters): Schwachstelle ermöglicht Denial of Service

Entryinfo

Created: 07/20/2026 20:19
Updated: 08/22/2026 06:36
Changes: 07/20/2026 20:19 (52), 08/10/2026 14:18 (7), 08/20/2026 13:30 (1), 08/21/2026 01:39 (2), 08/22/2026 06:36 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.