CVE-2026-119052

HIGH 7.5

llama.cpp b2877 before b11935 ggml-rpc Server DoS via Oversized recv_msg Length

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

llama.cpp b2877 before b11935 contains an uncaught exception vulnerability in the ggml-rpc server that allows unauthenticated remote attackers to crash the rpc-server by sending oversized message lengths. After the HELLO handshake, attackers can send a command such as SET_TENSOR with a length above std::vector::max_size(), triggering an uncaught std::length_error that aborts the process and denies service to all clients.

CWE	CWE-248
Vendor	ggml-org
Product	llama.cpp
Published	Oct 29, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

ggml-org / llama.cpp

b2877 < b11935

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/ggml-org/llama.cpp/pull/31204 github.com: https://github.com/ggml-org/llama.cpp/commit/7ecb57f7adbea2928aa468ad2aecf05b10725ad4 github.com: https://github.com/ggml-org/llama.cpp github.com: https://github.com/ggml-org/llama.cpp/releases/tag/b11935 github.com: https://github.com/ggml-org/llama.cpp/blob/8542e94350f0ade01644db6f1d1520da3814dafd/ggml/src/ggml-rpc/ggml-rpc.cpp#L344-L356 vulncheck.com: https://www.vulncheck.com/advisories/llama-cpp-b2877-before-b11935-ggml-rpc-server-dos-via-oversized-recv-msg-length

Credits

Sohaib Harraoui (Ostorlab) Sohaib Harraoui (Ostorlab)