CVE-2025-11468

5.7 MEDIUM 0.6% exploit odds Fix listed

What it is

When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized.

At a glance

Exploitability: Can be exploited over the network with an admin-level account, but needs a user to act. High risk of data tampering.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-01-20 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 08:30 UTC Last updatedMost recent change to the record

Details

Published: 2026-01-20 22:15 UTC
Last modified: 2026-06-17 08:30 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-93
Record status: Deferred

Attack profile CVSS 4.0 · 5.7

Attack vector: Network
Complexity: Low
Attack requirements: Present
Privileges needed: High
User interaction: Passive
Confidentiality: None
Integrity: High
Availability: None

Raw vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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Fix and advisories

References

NVD record · CVE.org record