Description

CAI Content Credentials is 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.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.2",
  "pubDate": "2026-08-11T17:19:13.967Z",
  "pubdate": "2026-08-11T17:19:13.967Z",
  "executiveSummary": "CAI Content Credentials is affected by an integer underflow vulnerability categorized as a wrap or wraparound issue, which directly impacts application availability. The primary security consequence of this vulnerability is an application denial-of-service condition resulting from an unhandled application crash. The affected product is CAI Content Credentials. The risk implications involve potential disruption of services relying on the integrity and availability of the content credentials processing pipeline. An attacker targeting this vulnerability has the capability to crash the application remotely without requiring any form of user interaction. Exploitation conditions do not mandate user engagement, making automated attacks feasible against exposed processing components.",
  "technicalDetails": "The root cause of the vulnerability resides in an integer underflow, specifically a wrap or wraparound condition, within the arithmetic operations handling data processing inside CAI Content Credentials. When manipulated input forces a numerical value below the minimum representable limit of its designated integer type, the value wraps around unexpectedly. This unexpected mathematical result disrupts subsequent memory management, buffer sizing, or loop control flows, causing undefined behavior or direct memory access violations.\nThe vulnerable component is responsible for parsing or processing specific data structures within CAI Content Credentials. Because the vulnerability triggers an application crash leading to a denial-of-service condition, the attack flow begins when an attacker supplies specially crafted input designed to induce the integer underflow during processing. Upon ingestion of the malicious payload, the application performs the vulnerable arithmetic operation without adequate bounds checking or underflow validation.\nThe resulting wrapped integer is subsequently utilized in resource allocation or indexing logic, precipitating a fatal runtime exception or segmentation fault. Exploitation of this issue does not require user interaction, indicating that the attack vector can be triggered automatically if the vulnerable component processes untrusted inputs directly. Authentication and privilege requirements are not explicitly restricted by user-facing interactions, meaning any context capable of feeding the malicious payload to the parser can initiate the crash. Post-exploitation impact is limited to availability disruption, as the vulnerability manifests as a denial-of-service rather than arbitrary code execution or privilege escalation."
}