{"items":[{"id":"NVI-00010595","kind":"vulnerability","title":"Pillow: ReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xgh8-jp6q-p5x8","CVE-2026-112901"],"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-12112096e3e2a829b43cb8c099c371f0"],"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":"2026-11-03T12:00:27.000Z","value":"0.532%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.4499. Missing scores are unknown.","source_id":"sr-12112096e3e2a829b43cb8c099c371f0"}],"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-5f5529cd89cf8331e405950c0fd75acd","url":"https://github.com/advisories/GHSA-xgh8-jp6q-p5x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xgh8-jp6q-p5x8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-12112096e3e2a829b43cb8c099c371f0","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-2026-112901","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.775Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5f5529cd89cf8331e405950c0fd75acd"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes\nLocation: src/PIL/XbmImagePlugin.py:58  in XbmImageFile._open()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA crafted 512-byte file makes Pillow's `Image.open()` spend about six minutes of processor time on one core before it gives up with `UnidentifiedImageError`. Anyone who can hand bytes to an application that opens images with Pillow's default settings can trigger this, for example through an upload form, a thumbnailer, or a service that checks whether a blob is an image. A few such files sent at once can tie up a typical pool of worker processes.\n\nThe cause is the `xbm_head` regular expression in `src/PIL/XbmImagePlugin.py:32-40`, which `XbmImageFile._open()` (line 58) runs over the first 512 bytes of any stream whose prefix starts with `#define`. Several adjacent parts of the pattern can match the same characters. `[ \\t]+` overlaps with `.*` in the width and height lines and with `[^_]*` in the optional hotspot lines, and `[\\r\\n]+` closing","public_affected_ranges":["<= 12.3.0"]}],"null_published_at":"2026-11-06T00:29:57.311Z","source_updated_at":"2026-10-21T20:45:07.000Z","source_disclosed_at":"2026-10-21T20:45:06.000Z","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-00010595","kind":"vulnerability","title":"Pillow: ReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xgh8-jp6q-p5x8","CVE-2026-112901"],"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-403a2959d133cb82bc2032852e1dcfff"],"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":"0.532%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44955. Missing scores are unknown.","source_id":"sr-403a2959d133cb82bc2032852e1dcfff"}],"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-5f5529cd89cf8331e405950c0fd75acd","url":"https://github.com/advisories/GHSA-xgh8-jp6q-p5x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xgh8-jp6q-p5x8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-403a2959d133cb82bc2032852e1dcfff","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-2026-112901","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.688Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5f5529cd89cf8331e405950c0fd75acd"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes\nLocation: src/PIL/XbmImagePlugin.py:58  in XbmImageFile._open()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA crafted 512-byte file makes Pillow's `Image.open()` spend about six minutes of processor time on one core before it gives up with `UnidentifiedImageError`. Anyone who can hand bytes to an application that opens images with Pillow's default settings can trigger this, for example through an upload form, a thumbnailer, or a service that checks whether a blob is an image. A few such files sent at once can tie up a typical pool of worker processes.\n\nThe cause is the `xbm_head` regular expression in `src/PIL/XbmImagePlugin.py:32-40`, which `XbmImageFile._open()` (line 58) runs over the first 512 bytes of any stream whose prefix starts with `#define`. Several adjacent parts of the pattern can match the same characters. `[ \\t]+` overlaps with `.*` in the width and height lines and with `[^_]*` in the optional hotspot lines, and `[\\r\\n]+` closing","public_affected_ranges":["<= 12.3.0"]}],"null_published_at":"2026-10-31T23:18:26.555Z","source_updated_at":"2026-10-21T20:45:07.000Z","source_disclosed_at":"2026-10-21T20:45:06.000Z","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-00010595","kind":"vulnerability","title":"Pillow: ReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xgh8-jp6q-p5x8","CVE-2026-112901"],"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-5f5529cd89cf8331e405950c0fd75acd"],"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-5f5529cd89cf8331e405950c0fd75acd","url":"https://github.com/advisories/GHSA-xgh8-jp6q-p5x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xgh8-jp6q-p5x8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5f5529cd89cf8331e405950c0fd75acd"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nReDoS in XbmImagePlugin: 512-byte file stalls Image.open() for minutes\nLocation: src/PIL/XbmImagePlugin.py:58  in XbmImageFile._open()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA crafted 512-byte file makes Pillow's `Image.open()` spend about six minutes of processor time on one core before it gives up with `UnidentifiedImageError`. Anyone who can hand bytes to an application that opens images with Pillow's default settings can trigger this, for example through an upload form, a thumbnailer, or a service that checks whether a blob is an image. A few such files sent at once can tie up a typical pool of worker processes.\n\nThe cause is the `xbm_head` regular expression in `src/PIL/XbmImagePlugin.py:32-40`, which `XbmImageFile._open()` (line 58) runs over the first 512 bytes of any stream whose prefix starts with `#define`. Several adjacent parts of the pattern can match the same characters. `[ \\t]+` overlaps with `.*` in the width and height lines and with `[^_]*` in the optional hotspot lines, and `[\\r\\n]+` closing","public_affected_ranges":["<= 12.3.0"]}],"null_published_at":"2026-10-31T22:27:09.624Z","source_updated_at":"2026-10-21T20:45:07.000Z","source_disclosed_at":"2026-10-21T20:45:06.000Z","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"}