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fix(plugins): add regex length limit (#7802)

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This commit is contained in:
Ville Vesilehto
2026-01-05 19:48:48 +02:00
committed by GitHub
parent adba778626
commit b723bd94d4
15 changed files with 117 additions and 3 deletions
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3
plugin/rewrite/rcode.go
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@@ -142,6 +142,9 @@ func newRCodeRule(nextAction string, args ...string) (Rule, error) {
plugin.Name(args[1]).Normalize(),
}, nil
case RegexMatch:
if len(args[1]) > maxRegexpLen {
return nil, fmt.Errorf("regex pattern too long in a rcode rule: %d > %d", len(args[1]), maxRegexpLen)
}
regexPattern, err := regexp.Compile(args[1])
if err != nil {
return nil, fmt.Errorf("invalid regex pattern in a rcode rule: %s", args[1])