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CVE-2026-123609 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/rustls/rustls/security/advisories/GHSA-c8m5-c952-6cm4	[email protected]
https://www.vulncheck.com/advisories/rustls-before-0.23.46-and-0.24.0-dev.1-before-0.24.0-dev.2-secret-exposure-via-debug	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-212	Improper Removal of Sensitive Information Before Storage or Transfer	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes