What’s Vulnerable › Vulnerabilities

CVE-2017-12963

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-18 · updated 2026-06-17
• Weakness: CWE-125

Description

There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).

Affected products

• Libsass: 3.4.5

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1482335
• https://bugzilla.redhat.com/show_bug.cgi?id=1482335

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