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DEBIAN-CVE-2026-33298

Type: advisorySource: OSV1 source record

llama.cpp is an inference of several LLM models in C/C++. Prior to b7824, an integer overflow vulnerability in the `ggml_nbytes` function allows an attacker to bypass memory validation by crafting a GGUF file with specific tensor dimensions. This causes `ggml_nbytes` to return a significantly smaller size than required (e.g., 4MB instead of Exabytes), leading to a heap-based buffer overflow when the application subsequently processes the tensor. This vulnerability allows potential Remote Code Execution (RCE) via memory corruption. b7824 contains a fix.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-33298

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-33298

llama.cpp

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Affected versions
5151+dfsg-1~exp2

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5151+dfsg-1~exp3

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5318+dfsg-1

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5318+dfsg-2

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5713+dfsg-1

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5760+dfsg-1

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5760+dfsg-2

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5760+dfsg-3

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5760+dfsg-4

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5882+dfsg-1

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5882+dfsg-2

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5882+dfsg-3

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5882+dfsg-3~exp1

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5882+dfsg-3~exp2

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5882+dfsg-3~exp3

Source reference: /affected/0/versions

5882+dfsg-4

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6641+dfsg-1

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6641+dfsg-2

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6641+dfsg-3

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7593+dfsg-1

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7593+dfsg-2

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7593+dfsg-3

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Fixed versions
7965+dfsg-1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "7965+dfsg-1"
          }
        ]
      }
    ],
    "package": {
      "name": "llama.cpp",
      "purl": "pkg:deb/debian/llama.cpp?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "5151+dfsg-1~exp2",
      "5151+dfsg-1~exp3",
      "5318+dfsg-1",
      "5318+dfsg-2",
      "5713+dfsg-1",
      "5760+dfsg-1",
      "5760+dfsg-2",
      "5760+dfsg-3",
      "5760+dfsg-4",
      "5882+dfsg-1",
      "5882+dfsg-2",
      "5882+dfsg-3",
      "5882+dfsg-3~exp1",
      "5882+dfsg-3~exp2",
      "5882+dfsg-3~exp3",
      "5882+dfsg-4",
      "6641+dfsg-1",
      "6641+dfsg-2",
      "6641+dfsg-3",
      "7593+dfsg-1",
      "7593+dfsg-2",
      "7593+dfsg-3"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33298.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#55951 · Revision 1
Added to Heist Feed
Publisher date
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