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Double Free

430 CVEs across 63 months on the top 50 list since Jun 2002. Peak rank #2 in Sep 2004.

CWE-415 CVEs per month since Jun 2002

Jun 2021 to May 2026 in the lens. Point at a month to read it, or drag the frame to move through the record.Tallest in the lens: 37, May 2026
Jun 2021: not on the top 50 that monthJul 2021: 8 CVEs · rank #46Aug 2021: not on the top 50 that monthSep 2021: 8 CVEs · rank #47Oct 2021: not on the top 50 that monthNov 2021: not on the top 50 that monthDec 2021: not on the top 50 that monthJan 2022: 11 CVEs · rank #34Feb 2022: not on the top 50 that monthMar 2022: not on the top 50 that monthApr 2022: 8 CVEs · rank #49May 2022: not on the top 50 that monthJun 2022: 11 CVEs · rank #40Jul 2022: not on the top 50 that monthAug 2022: not on the top 50 that monthSep 2022: not on the top 50 that monthOct 2022: not on the top 50 that monthNov 2022: not on the top 50 that monthDec 2022: not on the top 50 that monthJan 2023: not on the top 50 that monthFeb 2023: not on the top 50 that monthMar 2023: not on the top 50 that monthApr 2023: not on the top 50 that monthMay 2023: not on the top 50 that monthJun 2023: 12 CVEs · rank #41Jul 2023: not on the top 50 that monthAug 2023: not on the top 50 that monthSep 2023: not on the top 50 that monthOct 2023: 8 CVEs · rank #50Nov 2023: not on the top 50 that monthDec 2023: not on the top 50 that monthJan 2024: not on the top 50 that monthFeb 2024: not on the top 50 that monthMar 2024: not on the top 50 that monthApr 2024: 11 CVEs · rank #46May 2024: 28 CVEs · rank #30Jun 2024: not on the top 50 that monthJul 2024: 11 CVEs · rank #46Aug 2024: not on the top 50 that monthSep 2024: not on the top 50 that monthOct 2024: 13 CVEs · rank #48Nov 2024: 13 CVEs · rank #47Dec 2024: not on the top 50 that monthJan 2025: not on the top 50 that monthFeb 2025: 18 CVEs · rank #39Mar 2025: not on the top 50 that monthApr 2025: not on the top 50 that monthMay 2025: 17 CVEs · rank #44Jun 2025: not on the top 50 that monthJul 2025: 21 CVEs · rank #38Aug 2025: not on the top 50 that monthSep 2025: 16 CVEs · rank #50Oct 2025: not on the top 50 that monthNov 2025: not on the top 50 that monthDec 2025: not on the top 50 that monthJan 2026: not on the top 50 that monthFeb 2026: not on the top 50 that monthMar 2026: not on the top 50 that monthApr 2026: not on the top 50 that monthMay 2026: 37 CVEs · rank #42

Year by year

Each year's months on the top 50 list of weakness classes. Pick a year to read it in the lens.

The record

Peak rank
#2 in Sep 2004
Busiest month
May 2026, 37 CVEs
First on the list
Jun 2002
On the top 50 list
63 of 288 monthly snapshots

Each monthly snapshot keeps the top 50 weakness classes by CVEs. A month below the cut shows the most it could have had: the smallest count that made the list.

MethodologyAll months on record

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