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CVE-2026-12600: CWE-400 Uncontrolled Resource Consumption in Poppler Innodata Labs

0
High
VulnerabilityCVE-2026-12600cvecve-2026-12600cwe-400
Published: 08/25/2026 (08/25/2026, 10:57:57 UTC)
Source: CVE Database V5
Vendor/Project: Poppler
Product: Innodata Labs

Description

Denial-of-service (DoS) vulnerability in the internal JPEG2000 (JPX) decoding implementation of the Poppler fork developed by Innodata Labs. When an application processes an untrusted PDF file containing specially crafted JPXDecode images, a remote attacker can cause uncontrolled memory consumption. The flaw occurs in the JPXStream::readCodestream() function, where values controlled from the SIZ segment (such as img.nComps) are used for the memory allocation of tiles and components without adequate validation. This allows an attacker to force excessive memory allocation and cause a resource exhaustion, ultimately causing the pdftoppm process to terminate due to out-of-memory (OOM) conditions.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Technical Details

Data Version
5.2
Assigner Short Name
INCIBE
Date Reserved
2026-06-18T10:33:39.525Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a8d778aacd9273b49165761

Added to database: 08/25/2026, 11:07:54 UTC

Last updated: 08/25/2026, 13:22:42 UTC

Views: 7

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