CVE-2025-71439: ggml-org llama.cpp

llama.cpp before b5649 Heap Out-of-Bounds Read via llama_vocab::impl::print_info

CVSS 6.8 MediumEPSS 0.0012 · 1st percentile

Published by the CVE Program (CNA: VulnCheck) at 27 Oct 2026, 00:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
ggml-org	llama.cpp pkg:github/ggml-org/llama.cpp	affected before b5649 custom Other versions: unaffected

Identifiers

CVE-2025-71439

CNA

VulnCheck

Weakness (CWE)

CWE-125

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.8	Medium	4.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
5.5	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0012, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

27 Oct 2026, 00:33 UTC Confirmed by the CVE List
27 Oct 2026, 01:19 UTC Confirmed by NVD

Sources

References from the CNA

github.com/ggml-org/llama.cpp/security/advisories/GHSA-g4cc-763q-h9h6 vendor-advisory
github.com/ggml-org/llama.cpp/pull/14145 patchissue-tracking
github.com/ggml-org/llama.cpp/commit/c33fe8b8c4427202706b1434e9fc8ab5752c9cac patch
github.com/ggml-org/llama.cpp/blob/b5648/src/llama-vocab.cpp#L2771 technical-description
github.com/ggml-org/llama.cpp/releases/tag/b5649 release-notes
www.vulncheck.com/advisories/llama-cpp-before-b5649-heap-out-of-bounds-read-via-llama-vocab-impl-print-info third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.