{"items":[{"id":"NVI-00010108","kind":"vulnerability","title":"Pillow: APNG background disposal allocates full canvas before decompression bomb check","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-5xm2-6676-qcp9","CVE-2026-112399"],"plain_summary":"GitHub lists this reviewed advisory for Pillow. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-282194c20ee25d1debbfc88ba191a09d"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-28T16:17:02.130Z","value":"7.5 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-6f51f75b8e0194f9bf3642e3334bd9d2"},{"kind":"CVSS","as_of":"2026-10-28T16:17:02.130Z","value":"8.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6f51f75b8e0194f9bf3642e3334bd9d2"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.529%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44772. Missing scores are unknown.","source_id":"sr-282194c20ee25d1debbfc88ba191a09d"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-14c36367b0620858392900d6be47468f","url":"https://github.com/advisories/GHSA-5xm2-6676-qcp9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5xm2-6676-qcp9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-6f51f75b8e0194f9bf3642e3334bd9d2","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112399","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-112399","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:44.915Z"},{"id":"sr-282194c20ee25d1debbfc88ba191a09d","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-112399","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.840Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-14c36367b0620858392900d6be47468f"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nAPNG background disposal allocates full canvas before decompression bomb check\nLocation: src/PIL/PngImagePlugin.py:1000  in PngImageFile._seek()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA 126-byte animated PNG file makes Pillow's `Image.open()` allocate and fill memory sized by the image dimensions the file claims, before Pillow's built-in check for oversized images runs. A file claiming 22000×22000 pixels costs about 1.9 GB. Anyone who can get an application to open an image they supply, with default settings and no further calls such as `load()`, can cause a multi-gigabyte memory spike per file. If the claimed size exceeds the machine's free memory, the operating system kills the process outright.\n\nThe bug is in `PngImageFile._seek()` in `src/PIL/PngImagePlugin.py` (around line 1000). For any APNG, `_open()` calls `self._seek(0)`. When the first `fcTL` chunk requests `OP_BACKGROUND` disposal, `_seek()` calls `Image.core.fill(self.mode, self.size)` with the full IHDR size, which allocates and zero-fills width×h","public_affected_ranges":[">= 8.1.0, < 13.0.0"]}],"null_published_at":"2026-11-08T19:53:38.897Z","source_updated_at":"2026-10-21T21:17:58.000Z","source_disclosed_at":"2026-10-21T21:17:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010108","kind":"vulnerability","title":"Pillow: APNG background disposal allocates full canvas before decompression bomb check","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-5xm2-6676-qcp9","CVE-2026-112399"],"plain_summary":"GitHub lists this reviewed advisory for Pillow. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6bfe9d524657c2e37914e6da0f8e579d"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-28T16:17:02.130Z","value":"7.5 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-6f51f75b8e0194f9bf3642e3334bd9d2"},{"kind":"CVSS","as_of":"2026-10-28T16:17:02.130Z","value":"8.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6f51f75b8e0194f9bf3642e3334bd9d2"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.529%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44789. Missing scores are unknown.","source_id":"sr-6bfe9d524657c2e37914e6da0f8e579d"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-14c36367b0620858392900d6be47468f","url":"https://github.com/advisories/GHSA-5xm2-6676-qcp9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5xm2-6676-qcp9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-6f51f75b8e0194f9bf3642e3334bd9d2","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112399","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-112399","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:44.915Z"},{"id":"sr-6bfe9d524657c2e37914e6da0f8e579d","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-112399","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:20:46.853Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-14c36367b0620858392900d6be47468f"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nAPNG background disposal allocates full canvas before decompression bomb check\nLocation: src/PIL/PngImagePlugin.py:1000  in PngImageFile._seek()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA 126-byte animated PNG file makes Pillow's `Image.open()` allocate and fill memory sized by the image dimensions the file claims, before Pillow's built-in check for oversized images runs. A file claiming 22000×22000 pixels costs about 1.9 GB. Anyone who can get an application to open an image they supply, with default settings and no further calls such as `load()`, can cause a multi-gigabyte memory spike per file. If the claimed size exceeds the machine's free memory, the operating system kills the process outright.\n\nThe bug is in `PngImageFile._seek()` in `src/PIL/PngImagePlugin.py` (around line 1000). For any APNG, `_open()` calls `self._seek(0)`. When the first `fcTL` chunk requests `OP_BACKGROUND` disposal, `_seek()` calls `Image.core.fill(self.mode, self.size)` with the full IHDR size, which allocates and zero-fills width×h","public_affected_ranges":[">= 8.1.0, < 13.0.0"]}],"null_published_at":"2026-11-07T07:07:42.491Z","source_updated_at":"2026-10-21T21:17:58.000Z","source_disclosed_at":"2026-10-21T21:17:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010108","kind":"vulnerability","title":"Pillow: APNG background disposal allocates full canvas before decompression bomb check","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5xm2-6676-qcp9","CVE-2026-112399"],"plain_summary":"GitHub lists this reviewed advisory for Pillow. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6bfe9d524657c2e37914e6da0f8e579d"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.529%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44789. Missing scores are unknown.","source_id":"sr-6bfe9d524657c2e37914e6da0f8e579d"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-14c36367b0620858392900d6be47468f","url":"https://github.com/advisories/GHSA-5xm2-6676-qcp9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5xm2-6676-qcp9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-6bfe9d524657c2e37914e6da0f8e579d","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-112399","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:20:46.853Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-14c36367b0620858392900d6be47468f"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nAPNG background disposal allocates full canvas before decompression bomb check\nLocation: src/PIL/PngImagePlugin.py:1000  in PngImageFile._seek()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA 126-byte animated PNG file makes Pillow's `Image.open()` allocate and fill memory sized by the image dimensions the file claims, before Pillow's built-in check for oversized images runs. A file claiming 22000×22000 pixels costs about 1.9 GB. Anyone who can get an application to open an image they supply, with default settings and no further calls such as `load()`, can cause a multi-gigabyte memory spike per file. If the claimed size exceeds the machine's free memory, the operating system kills the process outright.\n\nThe bug is in `PngImageFile._seek()` in `src/PIL/PngImagePlugin.py` (around line 1000). For any APNG, `_open()` calls `self._seek(0)`. When the first `fcTL` chunk requests `OP_BACKGROUND` disposal, `_seek()` calls `Image.core.fill(self.mode, self.size)` with the full IHDR size, which allocates and zero-fills width×h","public_affected_ranges":[">= 8.1.0, < 13.0.0"]}],"null_published_at":"2026-11-01T22:58:19.140Z","source_updated_at":"2026-10-21T21:17:58.000Z","source_disclosed_at":"2026-10-21T21:17:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010108","kind":"vulnerability","title":"Pillow: APNG background disposal allocates full canvas before decompression bomb check","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5xm2-6676-qcp9","CVE-2026-112399"],"plain_summary":"GitHub lists this reviewed advisory for Pillow. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-14c36367b0620858392900d6be47468f"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-14c36367b0620858392900d6be47468f","url":"https://github.com/advisories/GHSA-5xm2-6676-qcp9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5xm2-6676-qcp9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-14c36367b0620858392900d6be47468f"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nAPNG background disposal allocates full canvas before decompression bomb check\nLocation: src/PIL/PngImagePlugin.py:1000  in PngImageFile._seek()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA 126-byte animated PNG file makes Pillow's `Image.open()` allocate and fill memory sized by the image dimensions the file claims, before Pillow's built-in check for oversized images runs. A file claiming 22000×22000 pixels costs about 1.9 GB. Anyone who can get an application to open an image they supply, with default settings and no further calls such as `load()`, can cause a multi-gigabyte memory spike per file. If the claimed size exceeds the machine's free memory, the operating system kills the process outright.\n\nThe bug is in `PngImageFile._seek()` in `src/PIL/PngImagePlugin.py` (around line 1000). For any APNG, `_open()` calls `self._seek(0)`. When the first `fcTL` chunk requests `OP_BACKGROUND` disposal, `_seek()` calls `Image.core.fill(self.mode, self.size)` with the full IHDR size, which allocates and zero-fills width×h","public_affected_ranges":[">= 8.1.0, < 13.0.0"]}],"null_published_at":"2026-10-31T22:13:48.415Z","source_updated_at":"2026-10-21T21:17:58.000Z","source_disclosed_at":"2026-10-21T21:17:56.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T22:07:30.906Z"}],"next_cursor":null,"snapshot_revision":"42594"}