jose4j uses weak cryptographic algorithm

HIGH 7.5CVE-2023-31582 · GHSA-7g24-qg88-p43q · Published 25/10/2023 · updated 17/06/2026

In short

CVE-2023-31582 is a HIGH (CVSS 7.5) vulnerability affecting org.bitbucket.b_c:jose4j, jose4j (jose4j project).
Chance of exploitation in the next 30 days (EPSS): 0.77%, higher than 55.7% of all vulnerabilities.
Fix: update to 0.9.3 or later.

Package	Affected versions	Patched versions
org.bitbucket.b_c:jose4j Maven	`< 0.9.3`	`0.9.3`
jose4j jose4j_project	`< 0.9.3`	`0.9.3`

jose4j before v0.9.3 allows attackers to set a low PBES2 iteration count of 1000 or less.

NVD description

jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.

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