VulnerabilityModified
CVE-2017-11554
There is a stack consumption vulnerability in the lex function in parser.hpp (as used in sassc) in LibSass 3.4.5.
HIGH 7.5EPSS 1.88%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
There is a stack consumption vulnerability in the lex function in parser.hpp (as used in sassc) in LibSass 3.4.5. A crafted input will lead to a remote denial of service.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.88% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- libsass/libsass
- Source
- cve@mitre.org
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1471780Exploit, Issue Tracking, Third Party Advisory
- https://github.com/sass/libsass/issues/2445Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1471780Exploit, Issue Tracking, Third Party Advisory
- https://github.com/sass/libsass/issues/2445Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.