CVE-2026-123609 - Rustls before 0.23.46 and 0.24.0-dev.1 before 0.24.0-dev.2 Secret Exposure via Debug

CVE-2026-123609 - Rustls before 0.23.46 and 0.24.0-dev.1 before 0.24.0-dev.2 Secret Exposure via Debug

https://cvefeed.io/rssfeed/latest.atom / Sun, 11/08/2026 - 04:52
CVE ID :CVE-2026-123609
Published : Nov. 8, 2026, 1:38 a.m. | 19 minutes ago
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.
Severity: 4.1 | MEDIUM
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