Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC Classic

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• adobe acrobat10.0 and later · before 10.1.15
• adobe acrobat11.0.0 and later · before 11.0.12
• adobe acrobat dc15.006.30033 and later · before 15.006.30060
• adobe acrobat dc15.007.20033 and later · before 15.008.20082
• adobe acrobat reader10.0 and later · before 10.1.15
• adobe acrobat reader11.0.0 and later · before 11.0.12
• adobe acrobat reader dc15.006.30033 and later · before 15.006.30060
• adobe acrobat reader dc15.007.20033 and later · before 15.008.20082

Other highest-scoring records for the same primary product.

• CVE-2011-2462Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and earlier on Windows and Mac OS X, and Adobe Reader 9.x KEV
  96Now
• CVE-2013-3346Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a KEV
  93Now
• CVE-2021-21017Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code ExecutionKEV
  91Now
• CVE-2009-3459Heap-based buffer overflow in Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 allows remote attackers to exeKEV
  91Now
• CVE-2008-2992Stack-based buffer overflow in Adobe Acrobat and Reader 8.1.2 and earlier allows remote attackers to execute arbitrary code via a PDF file tKEV
  91Now
• CVE-2009-3953The U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, 8.x before 8.2 on Windows and Mac OS X, and 7.x before 7.1.4 allows remotKEV
  90Now

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

After a memory region is freed, another reference pointing to it is still used. By then, the same region may have been allocated for different data.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1free(dev->buf);2/* ... another thread is still running ... */3process(dev->buf);

1lock(&dev->lock);2free(dev->buf);3dev->buf = NULL;4unlock(&dev->lock);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.