Linux · SUSE Linux Enterprise · Security advisory · September 17, 2026
SUSE-SU-2026:4251-1: cjose security update
SUSE-SU-2026:4251-1, released September 17, 2026, fixes 2 CVEs in cjose (version 0.6.1-150600.18.3.1). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
2
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.1
Base score, 0 to 10
Highest EPSS
0.0025
15th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 1
High 1
Routine 0
Fixed package versions
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-53939 | cjose: zero-filled content-encryption key generation in AES-CBC-HMAC JWE encryption within cjose can allow | 9.1 | 0.0025 | None reported |
| High | CVE-2026-53938 | cjose: missing encrypted_key length validation during AES Key Wrap decryption can cause heap-based buffer | 8.2 | 0.0024 | None reported |
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