fkie_cve-2017-12837
Vulnerability from fkie_nvd
Published
2017-09-19 18:29
Modified
2025-04-20 01:37
Severity ?
Summary
Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.
References
{
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"matchCriteriaId": "DB276E2C-622C-45EB-8378-35751366049F",
"versionEndIncluding": "5.24.2",
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"descriptions": [
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"lang": "en",
"value": "Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write) via a regular expression with a \u0027\\N{}\u0027 escape and the case-insensitive modifier."
},
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"lang": "es",
"value": "Un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en la funci\u00f3n S_regatom en el archivo regcomp.c en Perl 5 anterior a versi\u00f3n 5.24.3-RC1 y versi\u00f3n 5.26.x anterior a 5.26.1-RC1, permite a los atacantes remotos causar una denegaci\u00f3n de servicio (escritura fuera de l\u00edmites) por medio de una expresi\u00f3n regular con un escape \u0027\\N{}\u0027 y el modificador que no distingue entre may\u00fasculas y min\u00fasculas."
}
],
"id": "CVE-2017-12837",
"lastModified": "2025-04-20T01:37:25.860",
"metrics": {
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"baseSeverity": "MEDIUM",
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"accessVector": "NETWORK",
"authentication": "NONE",
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"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
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"published": "2017-09-19T18:29:00.167",
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"vulnStatus": "Deferred",
"weaknesses": [
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"value": "CWE-119"
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"source": "nvd@nist.gov",
"type": "Primary"
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]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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