Overview
- Description
- Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expression, as demonstrated by /^(?P=B)((?P=B)(?J:(?P<B>c)(?P<B>a(?P=B)))>WGXCREDITS)/, a different vulnerability than CVE-2015-8384.
- Source
- secalert@redhat.com
- NVD status
- Analyzed
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-787
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pcre:pcre2:10.10:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E64C5505-F782-443F-944C-AC17B8468406"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pcre:pcre:8.34:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F6876A94-2609-41CE-975E-F1ADAE1BD782"
},
{
"criteria": "cpe:2.3:a:pcre:pcre:8.35:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9DA3CC4F-1797-46D8-8C3D-0605E71C5EAE"
},
{
"criteria": "cpe:2.3:a:pcre:pcre:8.36:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "909CD13B-E836-4EBF-9433-55B4EFFE2DC4"
},
{
"criteria": "cpe:2.3:a:pcre:pcre:8.37:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EF43E164-05C2-42A8-82CA-D1B643875C2B"
}
],
"operator": "OR"
}
]
}
]