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High severity7.5NVD Advisory· Published Aug 11, 2026· Updated Sep 9, 2026

CVE-2026-73089

CVE-2026-73089

Description

Browserslist is a configuration tool for sharing target browsers and Node.js versions between front-end tools. Prior to 4.28.7, index.js retains every distinct (queries, context) result in cache and every parseQueries() AST in parseCache without a size cap, TTL, or eviction, allowing an attacker who can influence repeated browserslist() query values, including valid since -- queries, to bypass the caller-controlled BROWSERSLIST_DISABLE_CACHE mitigation and cause linear memory growth followed by an out-of-memory process crash. This issue is fixed in version 4.28.7.

AI Insight

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
browserslistnpm
< 4.28.74.28.7

Affected products

26

Patches

Vulnerability mechanics

References

5

News mentions

0

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