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NPM: Browserslist: Unbounded memory growth (no cache eviction) via distinct query results, leading to eventual OOM

🗓️ 01 Sep 2026 16:42:13Reported by PatchstackType 
patchstack
 patchstack🔗 patchstack.com👁 10 Views

Browserslist up to 4.28.6 suffers unbounded memory growth via distinct query results causing OOM.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM Db2 Bridge is vulnerable due to baseline-browser-mapping, sqlparse, cryptography, Browserslist (CVE-2026-45819,CVE-2026-84305,CVE-2026-69247,CVE-2026-73088,CVE-2026-73089,CVE-2026-54284,CVE-2026-59893,CVE-2026-59894,CVE-2026-71491)
9 Sep 202608:27
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Platform Navigator in IBM Cloud Pak for Integration are vulnerable to multiple vulnerabilities in browserslist
11 Sep 202612:45
–ibm
ibm
IBM Security Bulletins		Security Bulletin:Vulnerabilities exists in cyclops of IBM Netezza Appliance
7 Sep 202606:14
–ibm
cgr
Chainguard		CVE-2026-73089 vulnerabilities
3 Sep 202620:24
–cgr
circl
Circl		CVE-2026-73089
1 Sep 202618:35
–circl
cve
CVE		CVE-2026-73089
11 Aug 202617:05
–cve
cvelist
Cvelist		CVE-2026-73089 Browserslist: Unbounded memory growth (no cache eviction) via distinct query results, leading to eventual OOM
11 Aug 202617:05
–cvelist
debiancve
Debian CVE		CVE-2026-73089
11 Aug 202617:05
–debiancve
euvd
EUVD		EUVD-2026-56600
1 Sep 202616:42
–euvd
github
Github Security Blog		Browserslist: Unbounded memory growth (no cache eviction) via distinct query results, leading to eventual OOM
1 Sep 202616:42
–github
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Vulners
Node
npmbrowserslistRange≤4.28.6

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01 Sep 2026 16:42Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.0036
SSVC
Browserslistunbounded memory growthcache evictionOOMWordPressquery results
10