Overview
- Description
- 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.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/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:perl:perl:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB276E2C-622C-45EB-8378-35751366049F",
"versionEndIncluding": "5.24.2"
},
{
"criteria": "cpe:2.3:a:perl:perl:5.26.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B71CAECA-2A6A-4604-863F-3C1C055FB1CE"
}
],
"operator": "OR"
}
]
}
]