Overview
- Description
- Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the compiled memory allocation for regular expressions that involve a quantified "subpattern containing a named recursion or subroutine reference," which allows context-dependent attackers to cause a denial of service (error or crash).
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- NVD-CWE-Other
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7D74A418-50F0-42C0-ABBC-BBBE718FF025"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:as:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "49EF5B77-9BC9-4AE8-A677-48E5E576BE63"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:es:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "36389D32-61C1-4487-8399-FA7D2864FACD"
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:ws:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "49B67F74-AF8F-4A27-AA8A-A8479E256A9F"
}
],
"operator": "OR"
}
]
}
]