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ETK-2026-1174Zero's internal tracking ID, independent of the CVE number.

ETK-2026-1174Zero's internal tracking ID, independent of the CVE number.

validatedZero produced an exploit or a check.

GHSA-pwpf-8799-94cj ↗

check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
awaiting cvepublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
c/c++ ImageMagick < 7.1.2-33; < 6.9.13-58
fixed in 7.1.2-33, 6.9.13-58
CWE-125 Out-of-bounds Read
ETK-2026-1174Zero's internal tracking ID, independent of the CVE number., no cve assigned
cvss8.1cna vendorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
−10dTTV
30mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
trigger signal +0dcheck available+0.1dagent stopped
0
+2d
+4d
+6d
+8d
+10d

description

ImageMagick is affected when processing a crafted image that uses bzip2 compression. An attacker may trigger a stack buffer overwrite if they can cause a vulnerable installation to process such an image.

mitigation

Upgrade ImageMagick to 7.1.2-33 or later, or 6.9.13-58 or later. Until upgraded, restrict processing of untrusted images, particularly inputs using bzip2 compression.

fixed in 7.1.2-33, 6.9.13-58

check
available
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
contextual
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
yes, low privileges
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
30m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
not published yet
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Mechanism verified: the exploit fired on the vulnerable build and stayed silent on the patched one, but the server it ran against was ours, so no check ships for it.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-10-10 14:00Z

this entry in the feed

GET /api/v1/feed/ETK-2026-1174

{
  "etk_id": "ETK-2026-1174",
  "cve_id": null,
  "display_id": "ETK-2026-1174",
  "ghsa_id": "GHSA-pwpf-8799-94cj",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "awaiting_cve",
  "title": "Stack buffer overwrite in ImageMagick bzip2 image handling",
  "summary": "ImageMagick is affected when processing a crafted image that uses bzip2 compression. An attacker may trigger a stack buffer overwrite if they can cause a vulnerable installation to process such an image.",
  "mitigation": "Upgrade ImageMagick to 7.1.2-33 or later, or 6.9.13-58 or later. Until upgraded, restrict processing of untrusted images, particularly inputs using bzip2 compression.",
  "vendor": "c/c++",
  "product": "ImageMagick",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 7.1.2-33"
      ],
      "ecosystem": "c/c++",
      "fixed_versions": [
        "7.1.2-33"
      ],
      "package_name": "ImageMagick",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        "< 6.9.13-58"
      ],
      "ecosystem": "c/c++",
      "fixed_versions": [
        "6.9.13-58"
      ],
      "package_name": "ImageMagick",
      "purl": null
    }
  ],
  "cwes": [
    125
  ],
  "cvss_score": 8.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 29.835815683333333,
  "t0_at": null,
  "signals": {
    "check": {
      "at": "2026-10-10T17:03:03.423655+00:00",
      "days": -10.491927019398148,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T04:51:25.939963+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-10T14:00:15+00:00",
      "days": -10.618876367256945,
      "is_lower_bound": true,
      "measured_at": "2026-10-21T04:51:25.939963+00:00",
      "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pwpf-8799-94cj"
    }
  }
}

published 2026-10-10 16:33Z
last change 2026-10-21 04:45Z

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