CVE-2025-4802 (GCVE-0-2025-4802)

Vulnerability from cvelistv5 – Published: 2025-05-16 19:32 – Updated: 2026-02-26 18:28
VLAI
Summary
Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
The GNU C Library glibc Affected: 2.27 , < 2.39 (custom)
Create a notification for this product.
Date Public
2025-05-16 19:30
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T20:04:41.052Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/05/16/7"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/05/17/2"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00033.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-4802",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-26T03:55:54.573371Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T18:28:07.077Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "glibc",
          "vendor": "The GNU C Library",
          "versions": [
            {
              "lessThan": "2.39",
              "status": "affected",
              "version": "2.27",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2025-05-16T19:30:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo)."
            }
          ],
          "value": "Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo)."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-13",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-13 Subverting Environment Variable Values"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-426",
              "description": "CWE-426 Untrusted Search Path",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-16T19:32:50.586Z",
        "orgId": "3ff69d7a-14f2-4f67-a097-88dee7810d18",
        "shortName": "glibc"
      },
      "references": [
        {
          "url": "https://sourceware.org/cgit/glibc/commit/?id=1e18586c5820e329f741d5c710275e165581380e"
        },
        {
          "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=32976"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3ff69d7a-14f2-4f67-a097-88dee7810d18",
    "assignerShortName": "glibc",
    "cveId": "CVE-2025-4802",
    "datePublished": "2025-05-16T19:32:50.586Z",
    "dateReserved": "2025-05-15T21:32:45.284Z",
    "dateUpdated": "2026-02-26T18:28:07.077Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-4802",
      "date": "2026-07-16",
      "epss": "0.00548",
      "percentile": "0.42199"
    },
    "microsoft_vex": {
      "current_release_date": "2026-03-03T14:36:55.000Z",
      "cve": "CVE-2025-4802",
      "id": "msrc_CVE-2025-4802",
      "initial_release_date": "2025-05-02T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "6",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-4802.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-4802\",\"sourceIdentifier\":\"3ff69d7a-14f2-4f67-a097-88dee7810d18\",\"published\":\"2025-05-16T20:15:22.280\",\"lastModified\":\"2026-06-17T09:34:02.647\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).\"},{\"lang\":\"es\",\"value\":\"La vulnerabilidad de la variable de entorno no confiable LD_LIBRARY_PATH en GNU C Library versi\u00f3n 2.27 a 2.38 permite al atacante cargar, controlada por un atacante, una librer\u00eda compartida din\u00e1micamente en binarios setuid compilados est\u00e1ticamente que llaman a dlopen (incluidas las llamadas internas a dlopen despu\u00e9s de setlocale o las llamadas a funciones NSS como getaddrinfo).\"}],\"affected\":[{\"source\":\"3ff69d7a-14f2-4f67-a097-88dee7810d18\",\"affectedData\":[{\"vendor\":\"The GNU C Library\",\"product\":\"glibc\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"2.27\",\"lessThan\":\"2.39\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-07-26T03:55:54.573371Z\",\"id\":\"CVE-2025-4802\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"3ff69d7a-14f2-4f67-a097-88dee7810d18\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-426\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.27\",\"versionEndIncluding\":\"2.38\",\"matchCriteriaId\":\"29CCC9F6-2130-4DA8-8B5D-7A00337CBC0A\"}]}]}],\"references\":[{\"url\":\"https://sourceware.org/bugzilla/show_bug.cgi?id=32976\",\"source\":\"3ff69d7a-14f2-4f67-a097-88dee7810d18\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://sourceware.org/cgit/glibc/commit/?id=1e18586c5820e329f741d5c710275e165581380e\",\"source\":\"3ff69d7a-14f2-4f67-a097-88dee7810d18\",\"tags\":[\"Patch\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2025/05/16/7\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2025/05/17/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Mailing List\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/05/msg00033.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T10:36:01+00:00",
      "cve": "CVE-2025-4802",
      "id": "CVE-2025-4802",
      "initial_release_date": "2025-05-16T00:00:00+00:00",
      "product_status:fixed": "3150",
      "product_status:known_not_affected": "2326",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "glibc: static setuid binary dlopen may incorrectly search LD_LIBRARY_PATH",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-4802.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"http://www.openwall.com/lists/oss-security/2025/05/16/7\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2025/05/17/2\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/05/msg00033.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:04:41.052Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-4802\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-20T13:47:23.091940Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-17T02:32:36.641Z\"}}], \"cna\": {\"source\": {\"discovery\": \"EXTERNAL\"}, \"impacts\": [{\"capecId\": \"CAPEC-13\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-13 Subverting Environment Variable Values\"}]}], \"affected\": [{\"vendor\": \"The GNU C Library\", \"product\": \"glibc\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.27\", \"lessThan\": \"2.39\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2025-05-16T19:30:00.000Z\", \"references\": [{\"url\": \"https://sourceware.org/cgit/glibc/commit/?id=1e18586c5820e329f741d5c710275e165581380e\"}, {\"url\": \"https://sourceware.org/bugzilla/show_bug.cgi?id=32976\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-426\", \"description\": \"CWE-426 Untrusted Search Path\"}]}], \"providerMetadata\": {\"orgId\": \"3ff69d7a-14f2-4f67-a097-88dee7810d18\", \"shortName\": \"glibc\", \"dateUpdated\": \"2025-05-16T19:32:50.586Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-4802\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T20:04:41.052Z\", \"dateReserved\": \"2025-05-15T21:32:45.284Z\", \"assignerOrgId\": \"3ff69d7a-14f2-4f67-a097-88dee7810d18\", \"datePublished\": \"2025-05-16T19:32:50.586Z\", \"assignerShortName\": \"glibc\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.