Overview
- Description
- PCRE before 8.38 mishandles the interaction of lookbehind assertions and mutually recursive subpatterns, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-119
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "22A2867E-F109-44E6-8E01-A7010D5B6FDA",
"versionEndIncluding": "8.37"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38"
},
{
"criteria": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "104DA87B-DEE4-4262-AE50-8E6BC43B228B"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B055DFDD-2D3F-40CD-A62E-1D9B1C005771",
"versionEndExcluding": "5.5.32",
"versionStartIncluding": "5.5.0"
},
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04060332-EC2C-4281-A627-8FBDCEB79154",
"versionEndExcluding": "5.6.18",
"versionStartIncluding": "5.6.0"
},
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0A20A620-CDCF-4496-86E9-1ECA1A3C665E",
"versionEndExcluding": "7.0.3",
"versionStartIncluding": "7.0.0"
}
],
"operator": "OR"
}
]
}
]