CVE-2026-53432 | fzf is vulnerable to Integer Overflow leading to crash in Fu… | CVSS 5.6 MEDIUM

Description

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.

Metadata

CVE ID: CVE-2026-53432
State: PUBLISHED
Assigner: CERT-PL
Reserved: 2026-06-09 11:41 UTC
Published: 2026-06-30 12:01 UTC
Last updated: 2026-06-30 15:58 UTC
Primary CWE: CWE-190
CWE-190 Integer Overflow or Wraparound
Vendor / Product: fzf / fzf
Sources: cve.org · NVD

Severity & Metrics

5.6 MEDIUM CVSS 4.0

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
fzf	fzf	32 bit	0 < 0.73.1

Weakness (CWE)

CWE	Source	Description
CWE-190	cna	CWE-190 Integer Overflow or Wraparound

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.6	MEDIUM	4.0	cna	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

References (3)