Integer Underflow Vulnerability in CAI Content Credentials by Adobe
CVE-2026-71442

7.5HIGH

Key Information:

Vendor

Adobe
Status
C2pa Tool
Content Credentials Rust Sdk
Vendor
CVE Published:
25 August 2026

What is CVE-2026-71442?

The CAI Content Credentials is susceptible to an integer underflow vulnerability, which may lead to an application denial-of-service. This flaw allows attackers to exploit the system without requiring any user interaction, potentially causing the application to crash and becoming inoperable. Appropriate measures should be taken to protect against this security threat.

Affected Version(s)

C2PA Tool 0

Content Credentials Rust SDK 0

C2PA Tool c2patool-v0.27.11

References

https://helpx.adobe.com/security/products/content-authent...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.