CVE-2026-123609
Public on 2026-11-08
Modified on 2026-11-11
Description
Rustls before 0.23.46 and 0.24.0-dev.1 before 0.24.0-dev.2 contains an information disclosure vulnerability where derived Debug formatting of client session values exposes secret key material. Custom ClientSessionStore implementations that log Tls12ClientSessionValue or Tls13ClientSessionValue can leak TLS 1.2 master secrets or TLS 1.3 resumption PSKs to log readers.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | amazon-efs-utils | Pending Fix | ||
| Amazon Linux 2023 | amazon-efs-utils | Pending Fix | ||
| Amazon Linux 2027 Preview | amazon-efs-utils | Pending Fix | ||
| Amazon Linux 2 - Aws-nitro-enclaves-cli Extra | aws-nitro-enclaves-cli | Pending Fix | ||
| Amazon Linux 2023 | aws-nitro-enclaves-cli | Pending Fix | ||
| Amazon Linux 2027 Preview | aws-nitro-enclaves-cli | Pending Fix | ||
| Amazon Linux 2023 | aws-workload-credentials-provider | Pending Fix | ||
| Amazon Linux 2023 | network-flow-monitor-agent | Pending Fix | ||
| Amazon Linux 2027 Preview | network-flow-monitor-agent | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.0 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N |