What’s Vulnerable › Vulnerabilities

CVE-2019-11371

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-20 · updated 2026-06-17
• Weakness: CWE-787

Description

BWA (aka Burrow-Wheeler Aligner) 0.7.17 r1198 has a Buffer Overflow via a long prefix that is mishandled in bns_fasta2bntseq and bns_dump at btnseq.c.

Affected products

• Burrow-Wheeler Aligner Project Burrow-Wheeler Aligner: 0.7.17-r1198

References

• https://github.com/lh3/bwa/issues/239
• https://github.com/lh3/bwa/issues/239

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