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  4. CVE 2025 15514 ollama multi modal model image processing null
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Back to active CVEs
High · CVSS 8.7CVE-2025-15514

Ollama Multi-Modal Model Image Processing NULL Pointer DereferenceCVE-2025-15514

Answer in brief

CVE-2025-15514 records a High severity (CVSS 8.7) vulnerability in Ollama Multi-Modal Model Image Processing NULL Pointer Dereference. The current sources do not mark it as known exploited. The current feed maps Ollama/Ollama (generic), Ollama/Ollama (generic), Red Hat/rhoai/odh-trustyai-ragas-lls-provider-dsp-rhel9 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 12, 2026Updated Sep 16, 2026Source checked Nov 4, 2026First seen by HOL Jul 15, 2026Material review Sep 16, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-395
Source
CVE List V5
Source checked
Nov 4, 2026
References
7 linked sources
Open source record

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
11 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Ollama/Ollama (generic), Ollama/Ollama (generic), Red Hat/rhoai/odh-trustyai-ragas-lls-provider-dsp-rhel9 (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:ollama:ollama:*:-:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:ollama:ollama:0.11.5:-:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:ollama:ollama:0.11.5:rc0:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:ollama:ollama:0.11.5:rc1:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:ollama:ollama:0.11.5:rc2:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:ollama:ollama:0.11.5:rc3:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:ollama:ollama:0.11.5:rc4:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:ollama:ollama:0.11.5:rc5:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Ollama/Ollamagenericv0.11.5-rc0Not reported
Ollama/Ollamageneric>=v0.11.5-rc0 <=0.13.5Not reported
Red Hat/rhoai/odh-trustyai-ragas-lls-provider-dsp-rhel9generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Ollama/Ollama, Ollama/Ollama, Red Hat/rhoai/odh-trustyai-ragas-lls-provider-dsp-rhel9.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Jan 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jul 15, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • Source referencehttps
  • Source referencehuntr.com
  • Source referenceollama.com
  • Source referencesecurity.access.redhat.com
  • Source referencevulncheck.com
Upstream source description

Ollama 0.11.5-rc0 through current version 0.13.5 contain a null pointer dereference vulnerability in the multi-modal model image processing functionality. When processing base64-encoded image data via the /api/chat endpoint, the application fails to validate that the decoded data represents valid media before passing it to the mtmd_helper_bitmap_init_from_buf function. This function can return NULL for malformed input, but the code does not check this return value before dereferencing the pointer in subsequent operations. A remote attacker can exploit this by sending specially crafted base64 image data that decodes to invalid media, causing a segmentation fault and crashing the runner process. This results in a denial of service condition where the model becomes unavailable to all users until the service is restarted.

Quoted source text, attributed separately from HOL analysis.