CVE-2025-71439

llama.cpp: llama.cpp before b5649 contains a heap out-of-bounds read vulnerability in llama_vocab::impl::print_info() that allow...

CVE-2025-71439 is fixed in llama.cpp on 1 platform by DEBIAN-CVE-2025-71439 (version 5713+dfsg-1), released November 5, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0012
1st percentile

llama.cpp before b5649 contains a heap out-of-bounds read vulnerability in llama_vocab::impl::print_info() that allows attackers to crash model loading via oversized special token IDs. Attackers can supply a crafted GGUF model with a short tokenizer.ggml.tokens array, causing llama-cli or llama-server to read past id_to_token and crash.

Where it's fixed

ProductFixed inFixReleased
Linux
llama.cpp · Debian 14 5713+dfsg-1 DEBIAN-CVE-2025-71439 Nov 5, 2026

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