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).
Max CVSS
7.5
EPSS Score
0.05%
Published
2023-08-22
Updated
2023-08-30
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.
Max CVSS
7.5
EPSS Score
0.05%
Published
2023-08-22
Updated
2023-08-31
Stack Overflow vulnerability in libsass 3.6.5 via the CompoundSelector::has_real_parent_ref function.
Max CVSS
8.8
EPSS Score
0.09%
Published
2023-08-22
Updated
2023-08-25
LibSass before 3.6.3 allows a NULL pointer dereference in Sass::Parser::parseCompoundSelector in parser_selectors.cpp.
Max CVSS
6.5
EPSS Score
0.14%
Published
2019-11-06
Updated
2019-11-08
LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in ast_sel_weave.cpp.
Max CVSS
6.5
EPSS Score
0.10%
Published
2019-11-06
Updated
2019-11-08
LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.
Max CVSS
6.5
EPSS Score
0.10%
Published
2019-11-06
Updated
2019-11-08
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.
Max CVSS
6.5
EPSS Score
0.33%
Published
2019-01-14
Updated
2019-07-23
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::alternatives in prelexer.hpp.
Max CVSS
6.5
EPSS Score
0.25%
Published
2019-01-14
Updated
2023-02-28
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::parenthese_scope in prelexer.hpp.
Max CVSS
6.5
EPSS Score
0.25%
Published
2019-01-14
Updated
2023-02-28
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).
Max CVSS
6.5
EPSS Score
0.28%
Published
2019-04-23
Updated
2023-02-28
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).
Max CVSS
6.5
EPSS Score
0.28%
Published
2019-04-23
Updated
2023-02-28
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.
Max CVSS
6.5
EPSS Score
0.96%
Published
2018-12-17
Updated
2019-07-23
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.
Max CVSS
6.5
EPSS Score
0.35%
Published
2018-12-04
Updated
2019-07-23
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().
Max CVSS
6.5
EPSS Score
0.28%
Published
2018-12-04
Updated
2019-07-23
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.
Max CVSS
6.5
EPSS Score
0.31%
Published
2018-12-04
Updated
2019-07-23
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.
Max CVSS
8.8
EPSS Score
0.38%
Published
2018-12-03
Updated
2019-07-23
In inspect.cpp in LibSass 3.5.5, a high memory footprint caused by an endless loop (containing a Sass::Inspect::operator()(Sass::String_Quoted*) stack frame) may cause a Denial of Service via crafted sass input files with stray '&' or '/' characters. NOTE: Upstream comments indicate this issue is closed as "won't fix" and "works as intended" by design
Max CVSS
6.5
EPSS Score
0.10%
Published
2018-12-03
Updated
2024-04-11
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.
Max CVSS
6.5
EPSS Score
0.30%
Published
2018-12-03
Updated
2019-07-23
In LibSass 3.5-stable, there is an illegal address access at Sass::Eval::operator that will lead to a DoS attack.
Max CVSS
6.5
EPSS Score
0.08%
Published
2018-11-12
Updated
2020-08-24
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.
Max CVSS
6.5
EPSS Score
0.08%
Published
2018-11-12
Updated
2018-12-13
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.
Max CVSS
8.1
EPSS Score
0.22%
Published
2018-06-04
Updated
2019-03-11
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.
Max CVSS
8.1
EPSS Score
0.22%
Published
2018-06-04
Updated
2019-03-11
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.
Max CVSS
8.8
EPSS Score
0.21%
Published
2018-06-04
Updated
2019-03-11
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.
Max CVSS
8.8
EPSS Score
0.32%
Published
2018-06-04
Updated
2020-07-28
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.
Max CVSS
8.8
EPSS Score
0.21%
Published
2018-06-04
Updated
2019-03-11