FKIE_CVE-2019-9192

Vulnerability from fkie_nvd - Published: 2019-02-26 18:29 - Updated: 2026-06-17 02:43
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern
References
cve@mitre.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=24269Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K26346590?utm_source=f5support&amp%3Butm_medium=RSS
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=24269Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K26346590?utm_source=f5support&amp%3Butm_medium=RSS
Impacted products
Vendor Product Version
gnu glibc *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "60F1CB2F-5B42-4134-8328-480F5F07932D",
              "versionEndIncluding": "2.29",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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  ],
  "cveTags": [
    {
      "sourceIdentifier": "cve@mitre.org",
      "tags": [
        "disputed"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by \u0027(|)(\\\\1\\\\1)*\u0027 in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern"
    },
    {
      "lang": "es",
      "value": "** EN DISPUTA ** EN GNU C Library (tambi\u00e9n conocido como glibc o libc6), hasta la versi\u00f3n 2.29, check_dst_limits_calc_pos_1 en posix/regexec.c tiene una recursi\u00f3n no controlada, tal y como queda demostrado con \"(|)(\\\\1\\\\1)*\" en grep. Este problema es diferente de CVE-2018-20796. NOTA: el mantenedor del software discute si esto es una vulnerabilidad debido a que el comportamiento solo ocurre con un patr\u00f3n manipulado."
    }
  ],
  "id": "CVE-2019-9192",
  "lastModified": "2026-06-17T02:43:19.643",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
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    "cvssMetricV30": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2019-02-26T18:29:00.340",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=24269"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://support.f5.com/csp/article/K26346590?utm_source=f5support\u0026amp%3Butm_medium=RSS"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-674"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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