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Protect against CRAM compression headers having negative ref_seq_start. #1024

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Protect against CRAM compression headers having negative ref_seq_start. #1024

wants to merge 1 commit into from

Commits on Feb 14, 2020

  1. Protect against CRAM compression headers having negative ref_seq_start. 

    This could trigger buffer read overruns in the MD5 calculation code
(and perhaps more).

Credit to OSS-Fuzz
Fixes oss-fuzz 20694
    @jkbonfield
    jkbonfield committed Feb 14, 2020
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