HIGH 7.5 Microsoft
CVE-2026-40164
jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed
Microsoft Security Update 2026-Apr: jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed
Affected Products
- azl3 jq 1.7.1-4 on Azure Linux 3.0
- cbl2 jq 1.6-5 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40164
- https://nvd.nist.gov/vuln/detail/CVE-2026-40164
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-04-14 via Microsoft. Affected: azl3 jq 1.7.1-4 on Azure Linux 3.0, cbl2 jq 1.6-5 on CBL Mariner 2.0.
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