Bug 2529324 (CVE-2026-86289) - CVE-2026-86289 github.com/ollama/ollama: Ollama: Denial of Service via Integer Overflow in GGUF Decoder
Summary: CVE-2026-86289 github.com/ollama/ollama: Ollama: Denial of Service via Intege...
Keywords:
Status: NEW
Alias: CVE-2026-86289
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-07 08:51 UTC by OSIDB Bzimport
Modified: 2026-09-18 11:57 UTC (History)
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Description OSIDB Bzimport 2026-09-07 08:51:34 UTC 
A vulnerability was found in Ollama up to 0.31.1. This issue affects the function readGGUFV1String of the file fs/ggml/gguf.go of the component GGUF Decoder. Performing a manipulation results in integer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used. Upgrading to version 0.31.2-rc1 is capable of addressing this issue. The patch is named 67b6a1c2d45321e0cb3c04a18073f9818de7724b. It is recommended to upgrade the affected component.
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