FKIE_CVE-2026-53432

Vulnerability from fkie_nvd - Published: 2026-06-30 13:19 - Updated: 2026-07-02 19:01
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
cvd@cert.plhttps://cert.pl/en/posts/2026/06/CVE-2026-53432Third Party Advisory
cvd@cert.plhttps://github.com/junegunn/fzfProduct
cvd@cert.plhttps://github.com/junegunn/fzf/commit/ccedd064ca56921a4235219516b3d834f60e7b91Patch
Impacted products
Vendor Product Version
junegunn fzf *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "32 bit"
          ],
          "product": "fzf",
          "programFiles": [
            "src/algo/algo.go"
          ],
          "programRoutines": [
            {
              "name": "FuzzyMatchV2"
            }
          ],
          "repo": "https://github.com/junegunn/fzf",
          "vendor": "fzf",
          "versions": [
            {
              "lessThan": "0.73.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "cvd@cert.pl"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:junegunn:fzf:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1B9C3708-1223-421E-9641-DABD4A023A81",
              "versionEndExcluding": "0.73.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "fzf is vulnerable to\u00a0Integer Overflow leading to crash in FuzzyMatchV2 function. When input line length is\u00a0approximately 2,200,000 bytes and pattern length is 999 bytes, the product\u00a0overflows.\u00a0The Go runtime detects the invalid slice bounds and terminates the\u00a0process immediately with a non-recoverable panic.\n\nThis issue was fixed in version 0.73.1."
    }
  ],
  "id": "CVE-2026-53432",
  "lastModified": "2026-07-02T19:01:11.827",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.6,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "ACTIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cvd@cert.pl",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-53432",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-30T14:18:33.486018Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-30T13:19:13.290",
  "references": [
    {
      "source": "cvd@cert.pl",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://cert.pl/en/posts/2026/06/CVE-2026-53432"
    },
    {
      "source": "cvd@cert.pl",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/junegunn/fzf"
    },
    {
      "source": "cvd@cert.pl",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/junegunn/fzf/commit/ccedd064ca56921a4235219516b3d834f60e7b91"
    }
  ],
  "sourceIdentifier": "cvd@cert.pl",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "cvd@cert.pl",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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