Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| sprintf combined format string attack#212241 | Valid | Memory Corruption | Medium | 2017-09-22 | – | 18 |
| controlled buffer under-read in pack_unpack_internal()#298246 | Valid | Memory Corruption | Medium | 2018-03-30 | – | 12 |
| Ruby 2.3.x and 2.2.x still bundle DoS vulnerable verision of libYAML#235842 | Valid | Memory Corruption | Medium | 2017-10-25 | – | 3 |
Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report (4,365 analysed so far), which can be wrong. Data as of 2026-11-15.