CVE-2026-71221
CVE-2026-71221
A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-71221?
- CVE-2026-71221 is a high-severity vulnerability, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2026-09-03.
- How severe is CVE-2026-71221?
- High severity. CVSS v3 base score is 7.0 out of 10.