Vulnerability · Published Oct 24, 2023 · Assigned by mitre
CVE-2023-31582
High 7.5
In plain English
A high-severity security flaw in the libjose4j-java package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.8%top 44.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | libjose4j-java | 0.7.12-2 | DEBIAN-CVE-2023-31582 |
| Debian:14 | libjose4j-java | 0.7.12-2 | DEBIAN-CVE-2023-31582 |
| Maven | org.bitbucket.b_c:jose4j | 0.9.3 | GHSA-7g24-qg88-p43q |
| Ubuntu:22.04:LTS | libjose4j-java | no fix listed | UBUNTU-CVE-2023-31582 |
| Ubuntu:24.04:LTS | libjose4j-java | no fix listed | UBUNTU-CVE-2023-31582 |
| Ubuntu:25.10 | libjose4j-java | no fix listed | UBUNTU-CVE-2023-31582 |
| Ubuntu:26.04:LTS | libjose4j-java | no fix listed | UBUNTU-CVE-2023-31582 |
| Ubuntu:26.10 | libjose4j-java | no fix listed | UBUNTU-CVE-2023-31582 |