{"items":[{"id":"NVI-00010573","kind":"vulnerability","title":"Pillow: Infinite loop in MIC n_frames when the embedded TIFF","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-22hg-r758-rrw9","CVE-2026-112390"],"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-05d2f92647466df23321fc10d4a7775d"],"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":"0.593%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.48391. Missing scores are unknown.","source_id":"sr-05d2f92647466df23321fc10d4a7775d"}],"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-4e1012cf8ebbf31cf19d795206e0c35c","url":"https://github.com/advisories/GHSA-22hg-r758-rrw9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-22hg-r758-rrw9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-05d2f92647466df23321fc10d4a7775d","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-2026-112390","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.775Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4e1012cf8ebbf31cf19d795206e0c35c"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nInfinite loop in MIC n_frames when the embedded TIFF has 3+ IFDs\nLocation: src/PIL/MicImagePlugin.py:86  in MicImageFile.tell()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA crafted 5.6 KB image file makes Pillow loop forever at 100% CPU when an application asks how many frames the image has. This only affects installations that have the optional `olefile` package. Any application that opens an untrusted image and then reads `im.n_frames` can have one worker tied up indefinitely. That includes the common \"is this image animated?\" check and re-saving with `save_all=True` to TIFF, PDF or WebP. The call never returns, raises no exception, and does not grow memory, so only an external watchdog stops it.\n\nThe file is a Microsoft Image Composer (MIC) container, which Pillow recognises by its magic bytes with no extension needed. Inside it is a TIFF stream with three chained image directories. `MicImageFile` subclasses `TiffImageFile` and overrides `seek()` and `tell()` so that a \"frame\" means one stream in the container.","public_affected_ranges":[">= 7.2.0, < 13.0.0"]}],"null_published_at":"2026-11-04T10:04:41.548Z","source_updated_at":"2026-10-21T20:39:50.000Z","source_disclosed_at":"2026-10-21T20:39:49.000Z","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-00010573","kind":"vulnerability","title":"Pillow: Infinite loop in MIC n_frames when the embedded TIFF","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-22hg-r758-rrw9","CVE-2026-112390"],"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-33cdfc6c467c3d92962f3b273e8048a1"],"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":"0.593%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.48357. Missing scores are unknown.","source_id":"sr-33cdfc6c467c3d92962f3b273e8048a1"}],"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-4e1012cf8ebbf31cf19d795206e0c35c","url":"https://github.com/advisories/GHSA-22hg-r758-rrw9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-22hg-r758-rrw9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-33cdfc6c467c3d92962f3b273e8048a1","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-2026-112390","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.688Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4e1012cf8ebbf31cf19d795206e0c35c"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nInfinite loop in MIC n_frames when the embedded TIFF has 3+ IFDs\nLocation: src/PIL/MicImagePlugin.py:86  in MicImageFile.tell()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA crafted 5.6 KB image file makes Pillow loop forever at 100% CPU when an application asks how many frames the image has. This only affects installations that have the optional `olefile` package. Any application that opens an untrusted image and then reads `im.n_frames` can have one worker tied up indefinitely. That includes the common \"is this image animated?\" check and re-saving with `save_all=True` to TIFF, PDF or WebP. The call never returns, raises no exception, and does not grow memory, so only an external watchdog stops it.\n\nThe file is a Microsoft Image Composer (MIC) container, which Pillow recognises by its magic bytes with no extension needed. Inside it is a TIFF stream with three chained image directories. `MicImageFile` subclasses `TiffImageFile` and overrides `seek()` and `tell()` so that a \"frame\" means one stream in the container.","public_affected_ranges":[">= 7.2.0, < 13.0.0"]}],"null_published_at":"2026-10-31T23:18:26.553Z","source_updated_at":"2026-10-21T20:39:50.000Z","source_disclosed_at":"2026-10-21T20:39:49.000Z","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-00010573","kind":"vulnerability","title":"Pillow: Infinite loop in MIC n_frames when the embedded TIFF","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-22hg-r758-rrw9","CVE-2026-112390"],"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-4e1012cf8ebbf31cf19d795206e0c35c"],"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-4e1012cf8ebbf31cf19d795206e0c35c","url":"https://github.com/advisories/GHSA-22hg-r758-rrw9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-22hg-r758-rrw9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4e1012cf8ebbf31cf19d795206e0c35c"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"```\n============================================================================\nInfinite loop in MIC n_frames when the embedded TIFF has 3+ IFDs\nLocation: src/PIL/MicImagePlugin.py:86  in MicImageFile.tell()\nCommit:   a707c6b21c313880d0771e54965d142dd42358b6\n============================================================================\n```\n\nA crafted 5.6 KB image file makes Pillow loop forever at 100% CPU when an application asks how many frames the image has. This only affects installations that have the optional `olefile` package. Any application that opens an untrusted image and then reads `im.n_frames` can have one worker tied up indefinitely. That includes the common \"is this image animated?\" check and re-saving with `save_all=True` to TIFF, PDF or WebP. The call never returns, raises no exception, and does not grow memory, so only an external watchdog stops it.\n\nThe file is a Microsoft Image Composer (MIC) container, which Pillow recognises by its magic bytes with no extension needed. Inside it is a TIFF stream with three chained image directories. `MicImageFile` subclasses `TiffImageFile` and overrides `seek()` and `tell()` so that a \"frame\" means one stream in the container.","public_affected_ranges":[">= 7.2.0, < 13.0.0"]}],"null_published_at":"2026-10-31T22:27:09.623Z","source_updated_at":"2026-10-21T20:39:50.000Z","source_disclosed_at":"2026-10-21T20:39:49.000Z","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"}