CVE-2026-24825 (GCVE-0-2026-24825)

Vulnerability from cvelistv5 – Published: 2026-01-27 09:02 – Updated: 2026-01-27 16:57
VLAI?
Title
a memory leak in ydb-platform/ydb with use of yajl_tree_parse function from src/yail module, which will cause out-of-memory in server and cause crash.
Summary
Missing Release of Memory after Effective Lifetime vulnerability in ydb-platform ydb (contrib/libs/yajl modules). This vulnerability is associated with program files yail_tree.C. This issue affects ydb: through 24.4.4.2.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:L/U:Amber
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
ydb-platform ydb Affected: 0 , ≤ 24.4.4.2 (git)
Create a notification for this product.
Credits
TITAN Team (titancaproject@gmail.com)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-24825",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-27T16:57:33.509521Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-27T16:57:43.248Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://github.com/ydb-platform/ydb",
          "defaultStatus": "unaffected",
          "modules": [
            "contrib/libs/yajl"
          ],
          "product": "ydb",
          "programFiles": [
            "yail_tree.c"
          ],
          "vendor": "ydb-platform",
          "versions": [
            {
              "lessThanOrEqual": "24.4.4.2",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "TITAN Team (titancaproject@gmail.com)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Missing Release of Memory after Effective Lifetime vulnerability in ydb-platform ydb (contrib/libs/yajl modules).\u003cp\u003e This vulnerability is associated with program files \u003ctt\u003eyail_tree.C\u003c/tt\u003e.\u003c/p\u003e\u003cp\u003eThis issue affects ydb: through 24.4.4.2.\u003c/p\u003e"
            }
          ],
          "value": "Missing Release of Memory after Effective Lifetime vulnerability in ydb-platform ydb (contrib/libs/yajl modules). This vulnerability is associated with program files yail_tree.C.\n\nThis issue affects ydb: through 24.4.4.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "YES",
            "Recovery": "USER",
            "Safety": "NEGLIGIBLE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "DIFFUSE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:L/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "LOW"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-401",
              "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-27T09:02:51.165Z",
        "orgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd",
        "shortName": "GovTech CSG"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/ydb-platform/ydb/pull/17570"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "a memory leak in ydb-platform/ydb with use of yajl_tree_parse function from src/yail module, which will cause out-of-memory in server and cause crash.",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd",
    "assignerShortName": "GovTech CSG",
    "cveId": "CVE-2026-24825",
    "datePublished": "2026-01-27T09:02:51.165Z",
    "dateReserved": "2026-01-27T08:59:05.366Z",
    "dateUpdated": "2026-01-27T16:57:43.248Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-24825\",\"sourceIdentifier\":\"cve_disclosure@tech.gov.sg\",\"published\":\"2026-01-27T09:15:53.347\",\"lastModified\":\"2026-01-27T14:59:34.073\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Missing Release of Memory after Effective Lifetime vulnerability in ydb-platform ydb (contrib/libs/yajl modules). This vulnerability is associated with program files yail_tree.C.\\n\\nThis issue affects ydb: through 24.4.4.2.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cve_disclosure@tech.gov.sg\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/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:N/AU:Y/R:U/V:D/RE:L/U:Amber\",\"baseScore\":6.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"LOW\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NEGLIGIBLE\",\"Automatable\":\"YES\",\"Recovery\":\"USER\",\"valueDensity\":\"DIFFUSE\",\"vulnerabilityResponseEffort\":\"LOW\",\"providerUrgency\":\"AMBER\"}}]},\"weaknesses\":[{\"source\":\"cve_disclosure@tech.gov.sg\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"references\":[{\"url\":\"https://github.com/ydb-platform/ydb/pull/17570\",\"source\":\"cve_disclosure@tech.gov.sg\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-24825\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-27T16:57:33.509521Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-27T16:57:39.717Z\"}}], \"cna\": {\"title\": \"a memory leak in ydb-platform/ydb with use of yajl_tree_parse function from src/yail module, which will cause out-of-memory in server and cause crash.\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"TITAN Team (titancaproject@gmail.com)\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NEGLIGIBLE\", \"version\": \"4.0\", \"Recovery\": \"USER\", \"baseScore\": 6.9, \"Automatable\": \"YES\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"DIFFUSE\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:L/U:Amber\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"AMBER\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"LOW\", \"vulnAvailabilityImpact\": \"LOW\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"ydb-platform\", \"modules\": [\"contrib/libs/yajl\"], \"product\": \"ydb\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"git\", \"lessThanOrEqual\": \"24.4.4.2\"}], \"programFiles\": [\"yail_tree.c\"], \"collectionURL\": \"https://github.com/ydb-platform/ydb\", \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://github.com/ydb-platform/ydb/pull/17570\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Missing Release of Memory after Effective Lifetime vulnerability in ydb-platform ydb (contrib/libs/yajl modules). This vulnerability is associated with program files yail_tree.C.\\n\\nThis issue affects ydb: through 24.4.4.2.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Missing Release of Memory after Effective Lifetime vulnerability in ydb-platform ydb (contrib/libs/yajl modules).\u003cp\u003e This vulnerability is associated with program files \u003ctt\u003eyail_tree.C\u003c/tt\u003e.\u003c/p\u003e\u003cp\u003eThis issue affects ydb: through 24.4.4.2.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"1a37b84a-8e51-4525-b3d6-87e2fae01dbd\", \"shortName\": \"GovTech CSG\", \"dateUpdated\": \"2026-01-27T09:02:51.165Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-24825\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-27T16:57:43.248Z\", \"dateReserved\": \"2026-01-27T08:59:05.366Z\", \"assignerOrgId\": \"1a37b84a-8e51-4525-b3d6-87e2fae01dbd\", \"datePublished\": \"2026-01-27T09:02:51.165Z\", \"assignerShortName\": \"GovTech CSG\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.