Security context
What an agent needs to avoid regressing past fixes and find the next vuln in this repo.
sass/dart-sass
main @ b5697ee
5
Fixes
0
CVEs
MEDIUM
Peak severity
60.0%
Coverage
Highlights
Denial of Service: 4 prior fixes. Scrutinize any change in this area.
lib/src/embedded/isolate_dispatcher.dart: most-fixed (3 issues). Treat as high-risk during review.
0 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Denial of Service: Race conditions in isolate spawning and termination can prevent the embedded compiler process from shutting down, resulting in deadlocks and resource exhaustion under termination signals. Ensure all spawn futures are tracked and awaited.
Denial of Service: Reusing compilation IDs prematurely during rapid compilation cycles can lead to message buffer conflicts and application crashes. Robust tracking of compilation context lifecycles is necessary to prevent these state-machine deadlocks.
Injection: Failure to escape the comment-closing token `*/` when embedding the source map URL enables attackers to inject arbitrary content directly into the generated CSS output, potentially leading to further injection-based exploitation.