What’s Vulnerable › Vulnerabilities

CVE-2023-3433: Local Denial of Service in Jami

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-14 · updated 2026-06-17
• Weakness: CWE-20

Description

The "nickname" field within Savoir-faire Linux's Jami application is susceptible to a failed state when a user inserts special characters into the field. When present, these special characters, make it so the application cannot create the signature for the user and results in a local denial of service to the application.

Affected products

• Savoir-faire Linux Jami: 20222284

References

• https://blog.blacklanternsecurity.com/p/Jami-Local-Denial-Of-Service-and-QRC-Handler-Vulnerabilities
• https://git.jami.net/savoirfairelinux/jami-client-qt/-/wikis/Changelog#nightly-january-10
• https://review.jami.net/c/jami-daemon/+/23575
• https://blog.blacklanternsecurity.com/p/Jami-Local-Denial-Of-Service-and-QRC-Handler-Vulnerabilities
• https://git.jami.net/savoirfairelinux/jami-client-qt/-/wikis/Changelog#nightly-january-10
• https://review.jami.net/c/jami-daemon/+/23575

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