Vulnerability-Lookup

FKIE_CVE-2015-2326

Vulnerability from fkie_nvd - Published: 2020-01-14 17:15 - Updated: 2026-06-17 00:23

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Summary

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".

References

URL	Tags
cve@mitre.org	http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html	Mailing List, Third Party Advisory
cve@mitre.org	https://bugs.exim.org/show_bug.cgi?id=1592	Exploit, Issue Tracking, Permissions Required, Third Party Advisory
cve@mitre.org	https://fortiguard.com/zeroday/FG-VD-15-016	Third Party Advisory
cve@mitre.org	https://www.pcre.org/original/changelog.txt	Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugs.exim.org/show_bug.cgi?id=1592	Exploit, Issue Tracking, Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://fortiguard.com/zeroday/FG-VD-15-016	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.pcre.org/original/changelog.txt	Release Notes, Third Party Advisory

Impacted products

Vendor	Product	Version
pcre	pcre	*
opensuse	opensuse	13.1
opensuse	opensuse	13.2
mariadb	mariadb	*
php	php	*
php	php	*
php	php	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "380663D5-622F-49F1-8BA2-5BC5D64EA947",
              "versionEndExcluding": "8.37",
              "vulnerable": true
            }
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          "operator": "OR"
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    {
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081",
              "vulnerable": true
            }
          ],
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          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "29467705-2765-41F2-8466-93FB1A88ABD5",
              "versionEndExcluding": "10.0.18",
              "versionStartIncluding": "10.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
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              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "94FE4BDA-52E7-4E77-88E7-82058ECEF840",
              "versionEndExcluding": "5.4.41",
              "versionStartIncluding": "5.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
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              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by \"((?+1)(\\1))/\"."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n pcre_compile2 en PCRE versiones anteriores a 8.37, permite a atacantes dependiendo del contexto compilar c\u00f3digo incorrecto y causar una denegaci\u00f3n de servicio (lectura fuera de l\u00edmites) mediante una expresi\u00f3n regular con un grupo que contiene una llamada de subrutina de referencia directa y una referencia inversa recursiva, como es demostrado por \"((? +1)(\\1))/\"."
    }
  ],
  "id": "CVE-2015-2326",
  "lastModified": "2026-06-17T00:23:55.783",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-01-14T17:15:12.177",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Permissions Required",
        "Third Party Advisory"
      ],
      "url": "https://bugs.exim.org/show_bug.cgi?id=1592"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://fortiguard.com/zeroday/FG-VD-15-016"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://www.pcre.org/original/changelog.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00014.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Permissions Required",
        "Third Party Advisory"
      ],
      "url": "https://bugs.exim.org/show_bug.cgi?id=1592"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://fortiguard.com/zeroday/FG-VD-15-016"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://www.pcre.org/original/changelog.txt"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2015-2326 (GCVE-0-2015-2326)

Vulnerability from cvelistv5 – Published: 2020-01-14 16:46 – Updated: 2024-08-06 05:10

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

4 references

URL	Tags
https://bugs.exim.org/show_bug.cgi?id=1592	x_refsource_MISC
http://lists.opensuse.org/opensuse-updates/2015-0…	x_refsource_MISC
https://www.pcre.org/original/changelog.txt	x_refsource_CONFIRM
https://fortiguard.com/zeroday/FG-VD-15-016	x_refsource_MISC

Date Public

2015-05-12 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-06T05:10:16.144Z",
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        },
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          },
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            ],
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          },
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.pcre.org/original/changelog.txt"
          },
          {
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://fortiguard.com/zeroday/FG-VD-15-016"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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FKIE_CVE-2015-2326

CVE-2015-2326 (GCVE-0-2015-2326)

Tags

Sightings

Nomenclature

Related by attack behaviour