Stack overflow vulnerability in ast_selectors.cpp: in function Sass::ComplexSelector::has_placeholder in libsass:3.6.5-8-g210218, which can be exploited by attackers to cause a denial of service (DoS).
Vendor
sass-lang vulnerabilities
27 published CVES affecting sass-lang, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 27
- Critical
- 1
- High
- 10
- Medium
- 16
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Products
Latest sass-lang CVEs
Newest publication first · page 1 of 2
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HighCVSS 7.5 EPSS 1.5%
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HighCVSS 7.5 EPSS 1.5%
Stack overflow vulnerability in ast_selectors.cpp in function Sass::CompoundSelector::has_real_parent_ref in libsass:3.6.5-8-g210218, which can be exploited by attackers to causea denial of service (DoS). Also affects the command line driver for libsass, sassc 3.6.2.
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HighCVSS 8.8 EPSS 0.91%
Stack Overflow vulnerability in libsass 3.6.5 via the CompoundSelector::has_real_parent_ref function.
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MediumCVSS 5.3 EPSS 0.83%
Certificate validation in node-sass 2.0.0 to 4.14.1 is disabled when requesting binaries even if the user is not specifying an alternative download path.
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MediumCVSS 6.5 EPSS 1.5%
LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.
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MediumCVSS 6.5 EPSS 1.1%
LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in ast_sel_weave.cpp.
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MediumCVSS 6.5 EPSS 1.3%
LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parser_selectors.cpp.
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MediumCVSS 6.5 EPSS 2.1%
LibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp).
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MediumCVSS 6.5 EPSS 2.2%
The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp).
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MediumCVSS 6.5 EPSS 2.1%
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.
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MediumCVSS 6.5 EPSS 2.0%
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::alternatives in prelexer.hpp.
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MediumCVSS 6.5 EPSS 1.9%
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::parenthese_scope in prelexer.hpp.
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MediumCVSS 6.5 EPSS 2.6%
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp may cause a Denial of Service (application crash) via a crafted sass input file.
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MediumCVSS 6.5 EPSS 2.2%
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
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MediumCVSS 6.5 EPSS 1.9%
In LibSass prior to 3.5.5, functions inside ast.cpp for IMPLEMENT_AST_OPERATORS expansion allow attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, as demonstrated by recursive calls involving clone(), cloneChildren(), and copy().
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MediumCVSS 6.5 EPSS 1.8%
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.
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HighCVSS 8.8 EPSS 2.0%
In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp (or SharedPtr.hpp) that may cause a denial of service (application crash) or possibly have unspecified other impact.
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MediumCVSS 6.5 EPSS 1.8%
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
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MediumCVSS 6.5 EPSS 1.0%
In LibSass 3.5-stable, there is an illegal address access at Sass::Eval::operator that will lead to a DoS attack.
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MediumCVSS 6.5 EPSS 1.2%
In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.
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HighCVSS 8.1 EPSS 1.6%
An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::handle_error which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
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HighCVSS 8.1 EPSS 1.5%
An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::exactly() which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
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HighCVSS 8.8 EPSS 1.6%
An issue was discovered in LibSass through 3.5.4. A NULL pointer dereference was found in the function Sass::Inspect::operator which could be leveraged by an attacker to cause a denial of service (application crash) or possibly have unspecified other impact.
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HighCVSS 8.8 EPSS 1.6%
An issue was discovered in LibSass <3.5.3. A NULL pointer dereference was found in the function Sass::Expand::operator which could be leveraged by an attacker to cause a denial of service (application crash) or possibly have unspecified other impact.
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HighCVSS 8.8 EPSS 1.6%
An issue was discovered in LibSass through 3.5.4. A NULL pointer dereference was found in the function Sass::Functions::selector_append which could be leveraged by an attacker to cause a denial of service (application crash) or possibly have unspecified other impact.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.