CVE-2018-19837
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-19837
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19837.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-19837
- Downstream
- Related
- Published
- 2018-12-04T09:29:00Z
- Modified
- 2025-10-21T04:32:47.645265Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In LibSass prior to 3.5.5, Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, because of certain incorrect parsing of '%' as a modulo operator in parser.cpp.
- References
-
- https://github.com/sass/libsass/commit/210fdff7a65370c2ae24e022a2b35da8c423cc5f
- https://github.com/sass/libsass/issues/2659
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
Affected packages
Git / github.com/sass/libsass
Affected ranges
- Type
- GIT
- Repo
- https://github.com/sass/libsass
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
2.*
2.1.0-beta
3.*
3.0
3.0.1
3.0.2
3.0rc1
3.0rc2
3.0rc4
3.1-alpha
3.1-alpha2
3.1.0
3.1.0-beta
3.1.0-beta.2
3.2.0
3.2.0-beta.1
3.2.0-beta.2
3.2.0-beta.3
3.2.0-beta.4
3.2.0-beta.5
3.2.0-beta.6
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.3.0
3.3.0-beta1
3.3.0-beta2
3.3.0-beta3
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.4.0
3.4.0-RC1
3.4.2
3.5.0
3.5.0.beta.1
3.5.0.beta.2
3.5.0.beta.3
3.5.1
3.5.2
3.5.3
3.5.4
RELEASE-1.*
RELEASE-1.0
v1.*
v1.0.1
v2.*
v2.0
Database specific
vanir_signatures
[
{
"source": "https://github.com/sass/libsass/commit/210fdff7a65370c2ae24e022a2b35da8c423cc5f",
"target": {
"function": "Parser::parse_value",
"file": "src/parser.cpp"
},
"deprecated": false,
"signature_version": "v1",
"id": "CVE-2018-19837-ae1917b7",
"digest": {
"length": 2498.0,
"function_hash": "165885596483511393063274280585420607993"
},
"signature_type": "Function"
},
{
"source": "https://github.com/sass/libsass/commit/210fdff7a65370c2ae24e022a2b35da8c423cc5f",
"target": {
"file": "src/parser.cpp"
},
"deprecated": false,
"signature_version": "v1",
"id": "CVE-2018-19837-c71612b0",
"digest": {
"threshold": 0.9,
"line_hashes": [
"158550758329213429823339009714291952923",
"248729470278415984234477818821013894605",
"66451365466247137398889437797457684636",
"311322115924971552268989963752639181995",
"7945816132210125360185350847370858332"
]
},
"signature_type": "Line"
}
]