High severity8.1NVD Advisory· Published Aug 30, 2021· Updated Jun 17, 2026
CVE-2021-29630
CVE-2021-29630
Description
In FreeBSD 13.0-STABLE before n246938-0729ba2f49c9, 12.2-STABLE before r370383, 11.4-STABLE before r370381, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, the ggatec daemon does not validate the size of a response before writing it to a fixed-sized buffer allowing a malicious attacker in a privileged network position to overwrite the stack of ggatec and potentially execute arbitrary code.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
32- FreeBSD/FreeBSDdescription
cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*+ 28 more
- cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p10:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p11:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p12:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p13:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p6:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p7:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p8:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:11.4:p9:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p10:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p3:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p4:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p5:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p6:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p7:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p8:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:12.2:p9:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:13.0:-:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:13.0:p1:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:13.0:p2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:13.0:p3:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- security.freebsd.org/advisories/FreeBSD-SA-21:14.ggatec.ascnvdPatchVendor Advisory
- security.netapp.com/advisory/ntap-20210923-0005/nvdThird Party Advisory
News mentions
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