What’s Vulnerable › Vulnerabilities

CVE-2017-11554

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-07-23 · updated 2026-06-17
• Weakness: CWE-674

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.

Affected products

• Libsass: 3.4.5

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1471780
• https://github.com/sass/libsass/issues/2445
• https://bugzilla.redhat.com/show_bug.cgi?id=1471780
• https://github.com/sass/libsass/issues/2445

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