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TI-2021-17909 Aliases CVE-2021-41055GHSA-r23x-224g-484r

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service…

Priority LOW 36Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01568 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gajim:gajim:*:*:*:*:*:*:*:*1.2.0 to before 1.3.3VulnerableGajim
  • cpe:2.3:a:gajim:gajim:*:*:*:*:*:*:*:* Versions 1.2.0 to before 1.3.3 Vulnerable ·Gajim

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41055
  2. 2026-10-03 Alias added: GHSA-r23x-224g-484r

References

Exploit 1

Advisory 1

  • TI-2012-01859 SQL injection vulnerability in the get_last_conversation_lines function in… CVSS 2.0HIGH 7.5
  • TI-2012-01858 The exec_command function in common/helpers.py in Gajim before 0.15 allows user-assisted… CVSS 2.0MEDIUM 6.8
  • TI-2022-18830 An issue was discovered in Gajim through 1.4.7. CVSS 3.1MEDIUM 5.3
  • TI-2015-07148 Gajim before 0.16.5 allows remote attackers to modify the roster and intercept messages… CVSS 3.0MEDIUM 5.4
  • TI-2016-08426 Gajim through 0.16.7 unconditionally implements the "XEP-0146: Remote Controlling… CVSS 3.0MEDIUM 4.5
  • TI-2012-04643 The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly… CVSS 2.0MEDIUM 4.3
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences