CVE-2026-128067

waiting for further signals

GHSA-xcvg-w56q-r89m ↗

no check availablenot proven exploitable

cve.orgpublic pockev

python-pillow Pillow <= 12.3.0

fixed in 13.0.0

CWE-787 Out-of-bounds Write

ETK-2026-4330, permanent identifier

pkg:pypi/Pillow

cvss8.4cna vendorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N

4h 14msince last run

11mAI analysis

timeline

0 = trigger signal

trigger signal +0dcve.org publication+11dwaiting for further signals

+5d

+10d

description

Pillow 2.3.0 through 12.3.0 can mishandle image geometry metadata while producing compressed TIFF files through libtiff. An attacker who can supply metadata used by an application's TIFF save path may cause memory disclosure, a crash, or memory corruption. Exposure requires an application to process attacker-controlled TIFF metadata or source image metadata when saving TIFF output.

mitigation

Upgrade Pillow to version 13.0.0 or later. Until upgraded, avoid generating compressed TIFF output from images or metadata supplied by untrusted users.

fixed in 13.0.0

check

exploit

automation

contextual

auth required

EPSS

–

agent run time

11m

cve.org record, t = 0

2026-11-12 22:49Z

Δ to public poc

–

Δ to kev

–

outcome

Contextual, not validated: no deterministic check could cover this one, and no technique passed our review.

source signals

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

2026-11-01 23:27Z
ghsa: trigger signal
https://github.com/python-pillow/Pillow/security/advisories/GHSA-xcvg-w56q-r89m
2026-11-12 22:49Z
cve_org: trigger signal, started the run
https://www.cve.org/CVERecord?id=CVE-2026-128067

this entry in the feed

GET /api/v1/feed/CVE-2026-128067

{
  "etk_id": "ETK-2026-4330",
  "cve_id": "CVE-2026-128067",
  "display_id": "CVE-2026-128067",
  "ghsa_id": "GHSA-xcvg-w56q-r89m",
  "euvd_id": null,
  "status": "published",
  "anchor_state": "anchored",
  "title": "Heap buffer overflow in Pillow TIFF image saving",
  "summary": "Pillow 2.3.0 through 12.3.0 can mishandle image geometry metadata while producing compressed TIFF files through libtiff. An attacker who can supply metadata used by an application's TIFF save path may cause memory disclosure, a crash, or memory corruption. Exposure requires an application to process attacker-controlled TIFF metadata or source image metadata when saving TIFF output.",
  "mitigation": "Upgrade Pillow to version 13.0.0 or later. Until upgraded, avoid generating compressed TIFF output from images or metadata supplied by untrusted users.",
  "vendor": "python-pillow",
  "product": "Pillow",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 12.3.0"
      ],
      "ecosystem": "pip",
      "fixed_versions": [
        "13.0.0"
      ],
      "package_name": "Pillow",
      "purl": "pkg:pypi/Pillow"
    }
  ],
  "cwes": [
    787
  ],
  "cvss_score": 8.4,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 11.494484916666666,
  "t0_at": "2026-11-12T22:49:58.221000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-01T23:27:59+00:00",
      "days": -10.973602094907408,
      "is_lower_bound": false,
      "measured_at": "2026-11-12T22:49:58.221000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-128067"
    }
  }
}

published 2026-11-12 23:25Z
last change 2026-11-12 23:58Z

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