What’s Vulnerable › Vulnerabilities
CVE-2026-34667: CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
- Severity: medium (CVSS 6.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-12 · updated 2026-10-26
- Weakness: CWE-191
Description
CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.
Affected products
- Adobe C2Pa: before 0.80.1 — fixed in 0.80.1
- Adobe C2Pa-Web: before 0.7.1 — fixed in 0.7.1
How to fix
Upgrade to a fixed version: Adobe C2Pa 0.80.1; Adobe C2Pa-Web 0.7.1. Check the vendor advisory for mitigations.
References
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