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fix(deps): force patched katex and postcss-selector-parser via overrides #173

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Merged
zircote merged 1 commit into from
Oct 8, 2026
Merged

fix(deps): force patched katex and postcss-selector-parser via overrides #173

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25 changes: 3 additions & 22 deletions osv-scanner.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,9 @@
# the upstream dependency ranges, and no untrusted input reaching the affected
# code. Revisit on each release and on every dependency bump; remove an entry
# as soon as the fix becomes resolvable.
#
# Advisories with a fixed release outside an upstream range (katex,
# postcss-selector-parser) are fixed via package.json `overrides`, not waived.

[[IgnoredVulns]]
id = "GHSA-vfj7-8cjw-p6xm"
Expand All @@ -15,25 +18,3 @@ id = "GHSA-vfj7-8cjw-p6xm"
# from this repo's own build config, never from user input; not part of the
# deployed static site. Remove this entry once a fixed braces release ships.
reason = "No fixed braces release exists; build-time-only transitive (starlight-llms-txt -> micromatch) matching repo-authored patterns, never untrusted input; no production exposure. Revisit when braces ships a fix."

[[IgnoredVulns]]
id = "GHSA-238p-pmpm-9mq7"
# katex 0.16.47, CVSS 2.1 (low). Pulled in only by mermaid 11 (via
# astro-mermaid), which pins katex ^0.16; the fix is 0.18.2, outside that
# range. KaTeX is only a read-side gadget: exploiting it requires prototype
# pollution that already exists in the page. Mermaid only invokes KaTeX for
# math in diagram labels; this site's diagrams are repo-authored (one diagram,
# in docs/index.md) and contain no math, and no untrusted input reaches them.
# Remove this entry once mermaid accepts katex >= 0.18.2.
reason = "Low-severity katex advisory requiring pre-existing prototype pollution; only reachable through mermaid, which pins katex ^0.16 (fix is 0.18.2). Diagrams are repo-authored with no math; no untrusted input reaches KaTeX. Revisit when mermaid bumps katex."

[[IgnoredVulns]]
id = "GHSA-rj75-hqrm-r3gf"
# postcss-selector-parser 6.1.4: quadratic-time parsing of very long flat
# selectors (CPU exhaustion). Fixed only in 7.1.6, but the sole consumer is
# postcss-nested 6.2.0 (requires ^6.1.1), pinned via @astrojs/starlight ->
# expressive-code -> @expressive-code/core (postcss-nested ^6.0.1). Build-time
# only: it parses the repo's own code-block theme CSS while `astro build`
# runs, never untrusted input, and is not shipped in the deployed static site.
# Remove this entry once expressive-code moves to postcss-nested >= 7.
reason = "Fix (7.1.6) is outside postcss-nested 6.x's ^6.1.1 range, pinned by Starlight's expressive-code; build-time-only parsing of repo-authored CSS, never untrusted input; no production exposure. Revisit when expressive-code bumps postcss-nested."
22 changes: 11 additions & 11 deletions package-lock.json
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4 changes: 3 additions & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,9 @@
"astro-mermaid": "2.1.0"
},
"overrides": {
"esbuild": "0.28.1"
"esbuild": "0.28.1",
"katex": "^0.18.2",
"postcss-selector-parser": "^7.1.6"
},
"allowScripts": {
"esbuild@0.28.1": true
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