{"items":[{"id":"NVI-00010118","kind":"vulnerability","title":"Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5x8w-8jj5-q52h","CVE-2026-112398"],"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-4066902f420b39a83f38e138f69ee72f"],"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":"2026-11-01T12:00:16.000Z","value":"0.696%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.53029. Missing scores are unknown.","source_id":"sr-4066902f420b39a83f38e138f69ee72f"}],"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-1bf9326a30bb48161ab499f5d2ae64c3","url":"https://github.com/advisories/GHSA-5x8w-8jj5-q52h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5x8w-8jj5-q52h","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-4066902f420b39a83f38e138f69ee72f","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-2026-112398","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.265Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1bf9326a30bb48161ab499f5d2ae64c3"],"technology":"pillow","known_exclusions":[],"conditions_summary":"### Credits\n\n**Researcher**: Alex Bouffard (mixbo@pebwalker.com)\n\n### Summary\n\nA heap buffer overflow in Pillow's FlashPix (FPX) JPEG-tile decoder lets an attacker achieve arbitrary code execution by getting an application to open a single crafted file with `Image.open()`. The file is recognized by content (the OLE2 magic), not by extension, so any service that opens or thumbnails untrusted uploads with the optional `olefile` dependency installed is reachable with no user interaction. In the PoC below, opening one crafted file executes an attacker-chosen command on stock Pillow 12.2.0 (x86_64 Ubuntu 24.04, glibc 2.39).\n\n### Details\n\n`FpxImagePlugin` decodes FlashPix (FPX) files, which are OLE2/CFBF compound documents.\n\n`Image.open()` auto-detects them from the OLE2 magic `D0CF11E0...` whenever the optional `olefile` package is installed (Pillow's documented dependency for FPX/MIC support), regardless of the file's extension.\n\nFor a JPEG-compressed subimage (`compression == 2`), the plugin builds a `\"jpeg\"` decode tile and derives the `(rawmode, jpegmode)` pair from attacker-controlled FPX color IDs through the `MODES` table ([`src/PIL/FpxImagePlugin.py` L25-L32](https://github.com/","public_affected_ranges":["<= 12.3.0"]}],"null_published_at":"2026-11-08T19:53:48.773Z","source_updated_at":"2026-10-23T21:55:22.000Z","source_disclosed_at":"2026-10-23T21:55:21.000Z","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":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010118","kind":"vulnerability","title":"Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5x8w-8jj5-q52h","CVE-2026-112398"],"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-d5ddd179ac8893b1860958f36523866b"],"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":"0.696%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.53032. Missing scores are unknown.","source_id":"sr-d5ddd179ac8893b1860958f36523866b"}],"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-1bf9326a30bb48161ab499f5d2ae64c3","url":"https://github.com/advisories/GHSA-5x8w-8jj5-q52h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5x8w-8jj5-q52h","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-d5ddd179ac8893b1860958f36523866b","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-2026-112398","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:20:46.853Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1bf9326a30bb48161ab499f5d2ae64c3"],"technology":"pillow","known_exclusions":[],"conditions_summary":"### Credits\n\n**Researcher**: Alex Bouffard (mixbo@pebwalker.com)\n\n### Summary\n\nA heap buffer overflow in Pillow's FlashPix (FPX) JPEG-tile decoder lets an attacker achieve arbitrary code execution by getting an application to open a single crafted file with `Image.open()`. The file is recognized by content (the OLE2 magic), not by extension, so any service that opens or thumbnails untrusted uploads with the optional `olefile` dependency installed is reachable with no user interaction. In the PoC below, opening one crafted file executes an attacker-chosen command on stock Pillow 12.2.0 (x86_64 Ubuntu 24.04, glibc 2.39).\n\n### Details\n\n`FpxImagePlugin` decodes FlashPix (FPX) files, which are OLE2/CFBF compound documents.\n\n`Image.open()` auto-detects them from the OLE2 magic `D0CF11E0...` whenever the optional `olefile` package is installed (Pillow's documented dependency for FPX/MIC support), regardless of the file's extension.\n\nFor a JPEG-compressed subimage (`compression == 2`), the plugin builds a `\"jpeg\"` decode tile and derives the `(rawmode, jpegmode)` pair from attacker-controlled FPX color IDs through the `MODES` table ([`src/PIL/FpxImagePlugin.py` L25-L32](https://github.com/","public_affected_ranges":["<= 12.3.0"]}],"null_published_at":"2026-11-08T08:10:32.018Z","source_updated_at":"2026-10-23T21:55:22.000Z","source_disclosed_at":"2026-10-23T21:55:21.000Z","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":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010118","kind":"vulnerability","title":"Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5x8w-8jj5-q52h","CVE-2026-112398"],"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-1bf9326a30bb48161ab499f5d2ae64c3"],"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-1bf9326a30bb48161ab499f5d2ae64c3","url":"https://github.com/advisories/GHSA-5x8w-8jj5-q52h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5x8w-8jj5-q52h","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1bf9326a30bb48161ab499f5d2ae64c3"],"technology":"pillow","known_exclusions":[],"conditions_summary":"### Credits\n\n**Researcher**: Alex Bouffard (mixbo@pebwalker.com)\n\n### Summary\n\nA heap buffer overflow in Pillow's FlashPix (FPX) JPEG-tile decoder lets an attacker achieve arbitrary code execution by getting an application to open a single crafted file with `Image.open()`. The file is recognized by content (the OLE2 magic), not by extension, so any service that opens or thumbnails untrusted uploads with the optional `olefile` dependency installed is reachable with no user interaction. In the PoC below, opening one crafted file executes an attacker-chosen command on stock Pillow 12.2.0 (x86_64 Ubuntu 24.04, glibc 2.39).\n\n### Details\n\n`FpxImagePlugin` decodes FlashPix (FPX) files, which are OLE2/CFBF compound documents.\n\n`Image.open()` auto-detects them from the OLE2 magic `D0CF11E0...` whenever the optional `olefile` package is installed (Pillow's documented dependency for FPX/MIC support), regardless of the file's extension.\n\nFor a JPEG-compressed subimage (`compression == 2`), the plugin builds a `\"jpeg\"` decode tile and derives the `(rawmode, jpegmode)` pair from attacker-controlled FPX color IDs through the `MODES` table ([`src/PIL/FpxImagePlugin.py` L25-L32](https://github.com/","public_affected_ranges":["<= 12.3.0"]}],"null_published_at":"2026-10-31T22:13:48.416Z","source_updated_at":"2026-10-23T21:55:22.000Z","source_disclosed_at":"2026-10-23T21:55:21.000Z","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":"2026-10-31T22:07:08.657Z"}],"next_cursor":null,"snapshot_revision":"42594"}