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Ruby

4 CVEs tracked since 2019. Since Nov 2019, none of them reached CISA KEV.

Ruby CVEs per month

Nov 2019 to Nov 2026. Point at a month, or focus the strip and use the arrow keys.
Ruby CVEs per month, with the share now in CISA KEV
MonthCVEsIn CISA KEV
2019-1140
2019-122 or fewer
2020-012 or fewer
2020-022 or fewer
2020-032 or fewer
2020-04no snapshot
2020-05no snapshot
2020-062 or fewer
2020-07no snapshot
2020-082 or fewer
2020-091 or fewer
2020-101 or fewer
2020-111 or fewer
2020-122 or fewer
2021-012 or fewer
2021-022 or fewer
2021-03no snapshot
2021-042 or fewer
2021-052 or fewer
2021-062 or fewer
2021-072 or fewer
2021-083 or fewer
2021-092 or fewer
2021-102 or fewer
2021-112 or fewer
2021-122 or fewer
2022-012 or fewer
2022-022 or fewer
2022-033 or fewer
2022-043 or fewer
2022-053 or fewer
2022-063 or fewer
2022-073 or fewer
2022-083 or fewer
2022-093 or fewer
2022-102 or fewer
2022-113 or fewer
2022-123 or fewer
2023-013 or fewer
2023-023 or fewer
2023-03no snapshot
2023-043 or fewer
2023-053 or fewer
2023-064 or fewer
2023-073 or fewer
2023-084 or fewer
2023-093 or fewer
2023-104 or fewer
2023-114 or fewer
2023-124 or fewer
2024-014 or fewer
2024-024 or fewer
2024-034 or fewer
2024-044 or fewer
2024-055 or fewer
2024-064 or fewer
2024-074 or fewer
2024-084 or fewer
2024-093 or fewer
2024-104 or fewer
2024-114 or fewer
2024-123 or fewer
2025-014 or fewer
2025-023 or fewer
2025-035 or fewer
2025-044 or fewer
2025-054 or fewer
2025-064 or fewer
2025-075 or fewer
2025-084 or fewer
2025-094 or fewer
2025-104 or fewer
2025-114 or fewer
2025-125 or fewer
2026-015 or fewer
2026-025 or fewer
2026-037 or fewer
2026-046 or fewer
2026-057 or fewer
2026-067 or fewer
2026-077 or fewer
2026-088 or fewer
2026-099 or fewer
2026-1011 or fewer
2026-113 or fewer

Products

The products that kept showing up in Ruby's monthly top three, with their CVEs summed over those months.

  1. Nokogiri Gem21 month
  2. Ruby21 month

Latest CVEs

The 15 most recently published vulnerabilities affecting Ruby.

  1. CVE-2026-80213An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::MessageEncoder wrote a DNS label's length into a single octet without checking its range. A label longer than 255 octet...4.0
  2. CVE-2026-80212An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.get_class, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create generate a new cla...7.5
  3. CVE-2026-71847Ruby JSON: JSON::ResumableParser#partial_value dereferences a freed input buffer and crashes on truncated duplicate-key streams—
  4. CVE-2026-54696Ruby JSON: JSON generator heap buffer overflow when streaming to an IO3.7
  5. CVE-2026-47242Net::IMAP: Command Injection via ID command argument—
  6. CVE-2026-47240Net::IMAP: Command Injection via non-synchronizing literal in "raw" argument—
  7. CVE-2026-47241Net::IMAP: Denial of Service via incomplete raw argument validation—
  8. CVE-2026-42258net-imap: Command Injection via unvalidated Symbol inputs5.3
  9. CVE-2026-42257net-imap: Command Injection via "raw" arguments to multiple commands9.8
  10. CVE-2026-42256net-imap: Denial of service via high iteration count for `SCRAM-*` authentication6.5
  11. CVE-2026-42245net-imap: Quadratic complexity when reading response literals7.5
  12. CVE-2026-42246net-imap vulnerable to STARTTLS stripping via invalid response timing7.4
  13. CVE-2026-41316ERB has an @_init deserialization guard bypass via def_module / def_method / def_class8.1
  14. CVE-2026-27820zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption9.8
  15. CVE-2026-33210Ruby JSON has a format string injection vulnerability9.1

The record

Peak rank
#101 in Nov 2019
Busiest month shown
Nov 2019, 4 CVEs
Months with a KEV entry
0 since Nov 2019
Monthly snapshots
1 since 2019
Ruby's full record, month by month