CVE-2026-53432 PUBLISHED

Integer Overflow in fzf

Assigner: CERT-PL
Reserved: 09.06.2026 Published: 30.06.2026 Updated: 30.06.2026

fzf is vulnerable to Integer Overflow leading to crash in FuzzyMatchV2 function. When input line length is approximately 2,200,000 bytes and pattern length is 999 bytes, the product overflows. The Go runtime detects the invalid slice bounds and terminates the process immediately with a non-recoverable panic.

This issue was fixed in version 0.73.1.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 5.6

Product Status

Vendor fzf
Product fzf
Versions Default: unaffected
  • affected from 0 to 0.73.1 (excl.)

Credits

  • Michał Majchrowicz (AFINE Team) finder
  • Marcin Wyczechowski (AFINE Team) finder

References

Problem Types

  • CWE-190 Integer Overflow or Wraparound CWE