CVE-2026-45613 (GCVE-0-2026-45613)

Vulnerability from cvelistv5 – Published: 2026-05-29 19:07 – Updated: 2026-05-29 19:07
VLAI
Title
Rizin: Heap-buffer-overflow in OMF parser
Summary
Rizin is a UNIX-like reverse engineering framework and command-line toolset. There is a heap-buffer-overflow in librz/bin/format/omf/omf.c. This vulnerability is fixed by commit e6d0937c8a083e23ed76ccfb9f631cdc50c7af47.
CWE
Assigner
References
Impacted products
Vendor Product Version
rizinorg rizin Affected: < e6d0937c8a083e23ed76ccfb9f631cdc50c7af47
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Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "rizin",
          "vendor": "rizinorg",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c e6d0937c8a083e23ed76ccfb9f631cdc50c7af47"
            }
          ]
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      ],
      "descriptions": [
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        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-29T19:07:49.291Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/rizinorg/rizin/security/advisories/GHSA-wprr-wrcw-mw6v",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/rizinorg/rizin/security/advisories/GHSA-wprr-wrcw-mw6v"
        },
        {
          "name": "https://github.com/rizinorg/rizin/commit/e6d0937c8a083e23ed76ccfb9f631cdc50c7af47",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/rizinorg/rizin/commit/e6d0937c8a083e23ed76ccfb9f631cdc50c7af47"
        }
      ],
      "source": {
        "advisory": "GHSA-wprr-wrcw-mw6v",
        "discovery": "UNKNOWN"
      },
      "title": "Rizin: Heap-buffer-overflow in OMF parser"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-45613",
    "datePublished": "2026-05-29T19:07:49.291Z",
    "dateReserved": "2026-05-12T20:31:43.448Z",
    "dateUpdated": "2026-05-29T19:07:49.291Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-45613",
      "date": "2026-05-30",
      "epss": "0.00012",
      "percentile": "0.01779"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-45613\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-05-29T20:16:26.890\",\"lastModified\":\"2026-05-29T20:21:38.773\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Rizin is a UNIX-like reverse engineering framework and command-line toolset. There is a heap-buffer-overflow in librz/bin/format/omf/omf.c. This vulnerability is fixed by commit e6d0937c8a083e23ed76ccfb9f631cdc50c7af47.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N\",\"baseScore\":3.3,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"references\":[{\"url\":\"https://github.com/rizinorg/rizin/commit/e6d0937c8a083e23ed76ccfb9f631cdc50c7af47\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/rizinorg/rizin/security/advisories/GHSA-wprr-wrcw-mw6v\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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