CVE-2026-77102

CommServe Denial of Service

State: Published
Severity: 8.7 High
Published: Sep 8, 2026
Updated: Sep 8, 2026
Reserved: Aug 20, 2026

Description

CommServe contained a heap-based buffer overflow issue affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	Commvault

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
Commvault CloudCommvault	11.46.0 through 11.46.19Affectedfrom 11.46.20Not affected 11.44.0 through 11.44.19Affectedfrom 11.44.20Not affected 11.40.0 through 11.40.71Affectedfrom 11.40.72Not affected 11.36.0 through 11.36.122Affectedfrom 11.36.123Not affected

References

https://documentation.commvault.com/securityadvisories/CV_2026_08_4.html

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