CVE-2021-41055
CVSS v3
7.5
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.
Technical details
- Published
- 2021-10-11
Frequently asked questions
What is CVE-2021-41055?
Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.
Is CVE-2021-41055 actively exploited?
Active exploitation of CVE-2021-41055 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-41055?
CVE-2021-41055 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-41055 affecting your environment?
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