CVE-2023-3433
CVE-2023-3433 is a medium-severity vulnerability in Savoirfairelinux Jami with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Savoirfairelinux Jami
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-3433?
- 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.
- How severe is CVE-2023-3433?
- CVE-2023-3433 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-3433 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-3433?
- CVE-2023-3433 affects Savoirfairelinux Jami. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-3433?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-3433 published?
- CVE-2023-3433 was published on 2023-07-14 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:savoirfairelinux:jami:20222284:*:*:*:*:*:*:*
More vulnerabilities in Savoirfairelinux Jami
- CVE-2023-3434 — Medium (CVSS 4.4): Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux's Jami (version 20222284) on Windows.…
All CVEs affecting Savoirfairelinux Jami →
Other CWE-20 (Improper Input Validation) vulnerabilities
- CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
- CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
- CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…
Browse all CWE-20 (Improper Input Validation) vulnerabilities →