Buffer overflow in llama.cpp - CVE-2025-52566

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in tokenizer implementation. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2025-52566

External References

• https://github.com/ggml-org/llama.cpp/commit/dd6e6d0b6a4bbe3ebfc931d1eb14db2f2b1d70af
• https://github.com/ggml-org/llama.cpp/security/advisories/GHSA-7rxv-5jhh-j6xx

Related Security Bulletins

• Remote code execution in llama.cpp
• openEuler 24.03 LTS update for llama.cpp
• openEuler 24.03 LTS SP1 update for llama.cpp
• openEuler 24.03 LTS SP2 update for llama.cpp