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CVE-2026-89157 (GCVE-0-2026-89157)

Vulnerability from cvelistv5 – Published: 2026-09-11 04:05 – Updated: 2026-09-11 04:05
VLAI
Summary
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
CWE
  • CWE-190 - Integer Overflow or Wraparound
Impacted products
Vendor Product Version CPE status
PCRE PCRE2 Affected: 10.30 , < 10.48 (custom)
    cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PCRE2",
          "vendor": "PCRE",
          "versions": [
            {
              "lessThan": "10.48",
              "status": "affected",
              "version": "10.30",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.48",
                  "versionStartIncluding": "10.30",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
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          "value": "PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L",
            "version": "3.1"
          },
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          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190 Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T04:05:27.069Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48"
        },
        {
          "url": "https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9"
        }
      ],
      "x_generator": {
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      }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-89157",
    "datePublished": "2026-09-11T04:05:27.069Z",
    "dateReserved": "2026-09-11T04:05:26.609Z",
    "dateUpdated": "2026-09-11T04:05:27.069Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-89157\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2026-09-11T04:18:03.753\",\"lastModified\":\"2026-09-11T04:18:03.753\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"PCRE\",\"product\":\"PCRE2\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"10.30\",\"lessThan\":\"10.48\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@mitre.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L\",\"baseScore\":5.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":1.4,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"cve@mitre.org\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"references\":[{\"url\":\"https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q8g2-wprr-34m9\",\"source\":\"cve@mitre.org\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-11T04:35:38+00:00",
      "cve": "CVE-2026-89157",
      "id": "CVE-2026-89157",
      "initial_release_date": "2026-09-11T04:05:27.069000+00:00",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pcre2: PCRE2: Out-of-bounds write via large pattern input",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89157.json",
      "version": "3"
    }
  }
}



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