Medium 6.6Published Oct 26, 2026

CVE-2026-116829llama.cpp b10398 before b11301 Integer Overflow in gguf_init_from_reader

Updated under an hour ago (Oct 28, 2026, 6:00 PM ET)

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Every CVE for ggml-org llama.cpp

Exploited in the last 30 days

llama.cpp b10398 before b11301 contains an integer overflow vulnerability in gguf_init_from_reader that allows attackers to bypass tensor element-count validation by supplying shapes whose product wraps to zero. Attackers can craft GGUF files with enormous tensor extents that overflow ggml_nbytes() and strides, causing out-of-bounds memory access when buffers are sized from wrapped byte counts.

CVSS: 6.6 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Awaiting Analysis
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

ggml-org llama.cpp ggml_org:llama.cpp (from the name)	from b10398 before b11301; from 0.1.0 before 0.6.0	CNA record

References

References

https://github.com/ggml-org/llama.cpp/issues/29383	issue-tracking
https://github.com/ggml-org/llama.cpp/pull/29384	patch, issue-tracking
https://github.com/ggml-org/llama.cpp/commit/2149c00f4442dc59302e134a02e4c99d5f7ed9fc	patch
https://github.com/ggml-org/llama.cpp/blob/v0.5.0/ggml/src/gguf.cpp#L701	technical-description
https://github.com/ggml-org/llama.cpp/releases/tag/b11301	release-notes
https://www.vulncheck.com/advisories/llama-cpp-b10398-before-b11301-integer-overflow-in-gguf-init-from-reader	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.