What is CVE-2026-34711?

CVE-2026-34711 is a high-severity vulnerability in Adobe C2pa, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-06-09.

How severe is CVE-2026-34711?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Adobe C2pa

CVE-2026-34711

CAI Content Credentials versions c2pa-web@0.7.1, c2pa-v0.80.1 and earlier are affected by an Integer Overflow or Wraparound vulnerability. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-servic…

Vulnerability class: Integer Overflow

EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Adobe C2pa
Adobe C2pa-web
Adobe Cai Content Credentials — versions 0
Apple Iphone_os
Apple Macos
Google Android
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34711?: CVE-2026-34711 is a high-severity vulnerability in Adobe C2pa, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-06-09.
How severe is CVE-2026-34711?: High severity. CVSS v3 base score is 7.5 out of 10.