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CVE-2026-71444— CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)

Quick assessment

Affected
Adobe C2PA Tool
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CAI Content Credentials 存在一个整数下溢（回绕或环绕）漏洞，可能导致应用程序拒绝服务。攻击者可以利用此漏洞使应用程序崩溃，从而造成拒绝服务条件。利用此问题无需用户交互。

CVSS 6.2 · Medium

Affected Version Matrix 4

VendorProduct Version RangeStatus
Adobe C2PA Tool ≤ c2patool-v0.26.70 affected
c2patool-v0.27.11 unaffected
Adobe Content Credentials Rust SDK ≤ c2pa-v0.89.0 affected
c2pa-v0.90.11 unaffected
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I. Basic Information for CVE-2026-71444

Vulnerability Information
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Vulnerability Title
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe C2PA Tool 0 ~ c2patool-v0.26.70 -
Adobe Content Credentials Rust SDK 0 ~ c2pa-v0.89.0 -

II. Public POCs for CVE-2026-71444

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III. Intelligence Information for CVE-2026-71444

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Vendor Advisories for CVE-2026-71444 (1)

Same Patch Batch · Adobe · 2026-08-25 · 38 CVEs total

CVE-2026-76193 10.0 CRITICAL Adobe Campaign Classic (ACC) | Server-Side Request Forgery (SSRF) (CWE-918)
CVE-2026-76197 10.0 CRITICAL Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements used in an OS C
CVE-2026-76195 10.0 CRITICAL Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements used in an OS C
CVE-2026-48424 7.8 HIGH Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48433 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48431 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48427 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-48428 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48426 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-48430 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-71564 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-48432 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48419 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)
CVE-2026-75750 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48417 7.8 HIGH Substance3D - Sampler | Stack-based Buffer Overflow (CWE-121)
CVE-2026-48422 7.8 HIGH Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
CVE-2026-75770 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-75767 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
CVE-2026-75768 7.8 HIGH Substance3D - Painter | Untrusted Search Path (CWE-426)
CVE-2026-75766 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)

Showing top 20 of 38 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: C2PA Tool
Same vendor: Adobe
Same weakness: CWE-191

V. Comments for CVE-2026-71444

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