CVE-2025-53630
CVE-2025-53630 is a high-severity vulnerability with a CVSS 4.0 base score of 8.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.
Key facts
- Severity: High (CVSS 4.0 base score 8.9)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-21070
- Weakness: CWE-122
- Published:
- Last modified:
Description
llama.cpp is an inference of several LLM models in C/C++. Integer Overflow in the gguf_init_from_file_impl function in ggml/src/gguf.cpp can lead to Heap Out-of-Bounds Read/Write. This vulnerability is fixed in commit 26a48ad699d50b6268900062661bd22f3e792579.
Frequently asked questions
- What is CVE-2025-53630?
- llama.cpp is an inference of several LLM models in C/C++. Integer Overflow in the gguf_init_from_file_impl function in ggml/src/gguf.cpp can lead to Heap Out-of-Bounds Read/Write. This vulnerability is fixed in commit 26a48ad699d50b6268900062661bd22f3e792579.
- How severe is CVE-2025-53630?
- CVE-2025-53630 has a CVSS 4.0 base score of 8.9, rated high severity.
- Is CVE-2025-53630 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-53630?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-53630 have an EU (EUVD) identifier?
- Yes. CVE-2025-53630 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21070.
- When was CVE-2025-53630 published?
- CVE-2025-53630 was published on 2025-07-10 and last updated on 2026-06-17.
References
- https://github.com/ggml-org/llama.cpp/commit/26a48ad699d50b6268900062661bd22f3e792579
- https://github.com/ggml-org/llama.cpp/security/advisories/GHSA-vgg9-87g3-85w8
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