This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

 Issue 738529  has been merged into this issue.

ClusterFuzz has detected this issue as fixed in range 483845:483879.

Detailed report: https://clusterfuzz.com/testcase?key=4616151270424576

Fuzzer: ifratric_pdf_generic
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: Heap-use-after-free READ 2
Crash Address: 0x2a6013d1
Crash State:
  FX_Free
  CJPX_Decoder::Init
  CCodec_JpxModule::CreateDecoder
  
Memory Tool: SYZYASAN

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=483471:483525
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=483845:483879

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4616151270424576


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot