{"items":[{"id":"NVI-00010134","kind":"vulnerability","title":"Pillow: Decompression-bomb protection bypass via multi-frame seek() in MPO and DCX (MpoImageFile.seek / DcxImageFile.seek)","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-p8hx-v2p6-rp84","CVE-2026-96636"],"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-014e43d99819d09fad7e7c48d263f106"],"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":"2026-10-22T15:56:39.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-27d3c05a7d4d9a732af63f81600ed01a"},{"kind":"CVSS","as_of":"2026-10-30T17:17:32.103Z","value":"6.5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5e41b6d81b52a0982cb5b103d09d6955"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.345%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28005. Missing scores are unknown.","source_id":"sr-014e43d99819d09fad7e7c48d263f106"}],"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-27d3c05a7d4d9a732af63f81600ed01a","url":"https://github.com/advisories/GHSA-p8hx-v2p6-rp84","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p8hx-v2p6-rp84","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-5e41b6d81b52a0982cb5b103d09d6955","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96636","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-96636","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:59.040Z"},{"id":"sr-014e43d99819d09fad7e7c48d263f106","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-2026-96636","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:17:01.146Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-27d3c05a7d4d9a732af63f81600ed01a"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"### Summary\nPillow's decompression-bomb protection (`Image._decompression_bomb_check`, gated by `Image.MAX_IMAGE_PIXELS`) is enforced only on the **first frame**, inside `Image.open()`. For multi-frame formats, `seek()` re-parses the target frame's header and resets `self._size`. `GifImagePlugin` and `TiffImagePlugin` re-run the bomb check on `seek()`, but **`MpoImageFile.seek()` and `DcxImageFile.seek()` do not.** A crafted MPO or DCX whose first frame is tiny (passing the check) but whose later frame declares enormous dimensions therefore bypasses the protection: loading that frame decodes an over-limit image and commits large amounts of memory — a denial of service (memory exhaustion / OOM).\n\nSame class as the recently assigned CVE-2026-55379 (BdfFontFile), CVE-2026-55380 (GdImageFile) and CVE-2026-40192 (FITS GZIP).\n\n### Details\n`Image.open()` → `_open_core()` runs `_decompression_bomb_check(im.size)` once, on the frame present at open time. Both vulnerable `seek()` methods re-parse a new frame and set a new `self._size` without re-checking:\n\n- **`PIL/MpoImagePlugin.py`, `MpoImageFile.seek()`**: calls `JpegImagePlugin.JpegImageFile._open(self)` (which sets `self._size` from the","public_affected_ranges":["< 13.0.0"]}],"null_published_at":"2026-11-07T07:07:42.465Z","source_updated_at":"2026-10-22T15:56:39.000Z","source_disclosed_at":"2026-10-22T15:56:37.000Z","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-00010134","kind":"vulnerability","title":"Pillow: Decompression-bomb protection bypass via multi-frame seek() in MPO and DCX (MpoImageFile.seek / DcxImageFile.seek)","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p8hx-v2p6-rp84","CVE-2026-96636"],"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-014e43d99819d09fad7e7c48d263f106"],"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":"2026-10-22T15:56:39.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-27d3c05a7d4d9a732af63f81600ed01a"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.345%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28005. Missing scores are unknown.","source_id":"sr-014e43d99819d09fad7e7c48d263f106"}],"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-27d3c05a7d4d9a732af63f81600ed01a","url":"https://github.com/advisories/GHSA-p8hx-v2p6-rp84","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p8hx-v2p6-rp84","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-014e43d99819d09fad7e7c48d263f106","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-2026-96636","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:17:01.146Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-27d3c05a7d4d9a732af63f81600ed01a"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"### Summary\nPillow's decompression-bomb protection (`Image._decompression_bomb_check`, gated by `Image.MAX_IMAGE_PIXELS`) is enforced only on the **first frame**, inside `Image.open()`. For multi-frame formats, `seek()` re-parses the target frame's header and resets `self._size`. `GifImagePlugin` and `TiffImagePlugin` re-run the bomb check on `seek()`, but **`MpoImageFile.seek()` and `DcxImageFile.seek()` do not.** A crafted MPO or DCX whose first frame is tiny (passing the check) but whose later frame declares enormous dimensions therefore bypasses the protection: loading that frame decodes an over-limit image and commits large amounts of memory — a denial of service (memory exhaustion / OOM).\n\nSame class as the recently assigned CVE-2026-55379 (BdfFontFile), CVE-2026-55380 (GdImageFile) and CVE-2026-40192 (FITS GZIP).\n\n### Details\n`Image.open()` → `_open_core()` runs `_decompression_bomb_check(im.size)` once, on the frame present at open time. Both vulnerable `seek()` methods re-parse a new frame and set a new `self._size` without re-checking:\n\n- **`PIL/MpoImagePlugin.py`, `MpoImageFile.seek()`**: calls `JpegImagePlugin.JpegImageFile._open(self)` (which sets `self._size` from the","public_affected_ranges":["< 13.0.0"]}],"null_published_at":"2026-11-03T17:49:14.973Z","source_updated_at":"2026-10-22T15:56:39.000Z","source_disclosed_at":"2026-10-22T15:56:37.000Z","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-00010134","kind":"vulnerability","title":"Pillow: Decompression-bomb protection bypass via multi-frame seek() in MPO and DCX (MpoImageFile.seek / DcxImageFile.seek)","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p8hx-v2p6-rp84","CVE-2026-96636"],"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-5d44282102e560ef1bc57ca444618e4e"],"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":"2026-10-22T15:56:39.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-27d3c05a7d4d9a732af63f81600ed01a"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.345%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28021. Missing scores are unknown.","source_id":"sr-5d44282102e560ef1bc57ca444618e4e"}],"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-27d3c05a7d4d9a732af63f81600ed01a","url":"https://github.com/advisories/GHSA-p8hx-v2p6-rp84","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p8hx-v2p6-rp84","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-5d44282102e560ef1bc57ca444618e4e","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-2026-96636","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:20:46.868Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-27d3c05a7d4d9a732af63f81600ed01a"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"### Summary\nPillow's decompression-bomb protection (`Image._decompression_bomb_check`, gated by `Image.MAX_IMAGE_PIXELS`) is enforced only on the **first frame**, inside `Image.open()`. For multi-frame formats, `seek()` re-parses the target frame's header and resets `self._size`. `GifImagePlugin` and `TiffImagePlugin` re-run the bomb check on `seek()`, but **`MpoImageFile.seek()` and `DcxImageFile.seek()` do not.** A crafted MPO or DCX whose first frame is tiny (passing the check) but whose later frame declares enormous dimensions therefore bypasses the protection: loading that frame decodes an over-limit image and commits large amounts of memory — a denial of service (memory exhaustion / OOM).\n\nSame class as the recently assigned CVE-2026-55379 (BdfFontFile), CVE-2026-55380 (GdImageFile) and CVE-2026-40192 (FITS GZIP).\n\n### Details\n`Image.open()` → `_open_core()` runs `_decompression_bomb_check(im.size)` once, on the frame present at open time. Both vulnerable `seek()` methods re-parse a new frame and set a new `self._size` without re-checking:\n\n- **`PIL/MpoImagePlugin.py`, `MpoImageFile.seek()`**: calls `JpegImagePlugin.JpegImageFile._open(self)` (which sets `self._size` from the","public_affected_ranges":["< 13.0.0"]}],"null_published_at":"2026-11-01T07:29:08.033Z","source_updated_at":"2026-10-22T15:56:39.000Z","source_disclosed_at":"2026-10-22T15:56:37.000Z","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-00010134","kind":"vulnerability","title":"Pillow: Decompression-bomb protection bypass via multi-frame seek() in MPO and DCX (MpoImageFile.seek / DcxImageFile.seek)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p8hx-v2p6-rp84","CVE-2026-96636"],"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-27d3c05a7d4d9a732af63f81600ed01a"],"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":"2026-10-22T15:56:39.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-27d3c05a7d4d9a732af63f81600ed01a"}],"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-27d3c05a7d4d9a732af63f81600ed01a","url":"https://github.com/advisories/GHSA-p8hx-v2p6-rp84","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p8hx-v2p6-rp84","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-27d3c05a7d4d9a732af63f81600ed01a"],"technology":"Pillow","known_exclusions":[],"conditions_summary":"### Summary\nPillow's decompression-bomb protection (`Image._decompression_bomb_check`, gated by `Image.MAX_IMAGE_PIXELS`) is enforced only on the **first frame**, inside `Image.open()`. For multi-frame formats, `seek()` re-parses the target frame's header and resets `self._size`. `GifImagePlugin` and `TiffImagePlugin` re-run the bomb check on `seek()`, but **`MpoImageFile.seek()` and `DcxImageFile.seek()` do not.** A crafted MPO or DCX whose first frame is tiny (passing the check) but whose later frame declares enormous dimensions therefore bypasses the protection: loading that frame decodes an over-limit image and commits large amounts of memory — a denial of service (memory exhaustion / OOM).\n\nSame class as the recently assigned CVE-2026-55379 (BdfFontFile), CVE-2026-55380 (GdImageFile) and CVE-2026-40192 (FITS GZIP).\n\n### Details\n`Image.open()` → `_open_core()` runs `_decompression_bomb_check(im.size)` once, on the frame present at open time. Both vulnerable `seek()` methods re-parse a new frame and set a new `self._size` without re-checking:\n\n- **`PIL/MpoImagePlugin.py`, `MpoImageFile.seek()`**: calls `JpegImagePlugin.JpegImageFile._open(self)` (which sets `self._size` from the","public_affected_ranges":["< 13.0.0"]}],"null_published_at":"2026-10-31T22:13:48.416Z","source_updated_at":"2026-10-22T15:56:39.000Z","source_disclosed_at":"2026-10-22T15:56:37.000Z","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"}