
CVE catalog
CVE-2026-53432
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
- Severity
- Medium · CVSS 5.6
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.42% · Oct 25, 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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | fzf | sid | 0.74.5-1 | fixed |
| Debian | fzf | forky | 0.74.5-1 | fixed |
| Debian | fzf | trixie | 0.60.3-1 | vulnerable |
| Debian | fzf | bookworm | 0.38.0-1 | vulnerable |
| Cpe | fzf | Not reported | Not reported | vulnerable |
| Cpe | fzf | Not reported | 0.73.1 | fixed |
| Ubuntu | fzf | 20.04 | 0.18.0-2 | vulnerable |
| Ubuntu | fzf | 20.04 | 0.18.0-3 | vulnerable |
| Ubuntu | fzf | 20.04 | 0.19.0-1 | vulnerable |
| Ubuntu | fzf | 20.04 | 0.20.0-1 | vulnerable |
| Ubuntu | fzf | 20.04 | 0.20.0-1ubuntu0.1 | vulnerable |
| Ubuntu | fzf | 22.04 | 0.24.3-1 | vulnerable |
| Ubuntu | fzf | 22.04 | 0.29.0-1 | vulnerable |
| Ubuntu | fzf | 22.04 | 0.29.0-1ubuntu0.1 | vulnerable |
| Ubuntu | fzf | 24.04 | 0.42.0-1build1 | vulnerable |
| Ubuntu | fzf | 24.04 | 0.44.1-1 | vulnerable |
| Ubuntu | fzf | 24.04 | 0.44.1-1ubuntu0.1 | vulnerable |
| Ubuntu | fzf | 24.04 | 0.44.1-1ubuntu0.2 | vulnerable |
| Ubuntu | fzf | 24.04 | 0.44.1-1ubuntu0.3 | vulnerable |
| Ubuntu | fzf | 25.10 | 0.60.3-1 | vulnerable |
| Ubuntu | fzf | 26.04 | 0.60.3-1 | vulnerable |
| Ubuntu | fzf | 26.04 | 0.66.0-1 | vulnerable |
| Ubuntu | fzf | 26.04 | 0.67.0-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | fzf | source | sid | 0.73.1-1 | unimportant | Not reported | Not reported |
| Debian | fzf | source | forky | 0.73.1-1 | unimportant | Not reported | Not reported |
| Debian | fzf | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | fzf | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
| Cpe | fzf | cpe | Not reported | 0.73.1 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-53432]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-53432]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-53432]
- [https://security-tracker.debian.org/tracker/CVE-2026-53432]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53432.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]