{"items":[{"id":"NVI-00010605","kind":"vulnerability","title":"Pillow: BMP RLE decoder memory-amplification DoS via unbounded delta escape / absolute mode","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-24rc-8hj2-v98c","CVE-2026-96638"],"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-975f4b16b294ae3951c0bebb1b35fd74"],"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":"2026-10-22T15:59:36.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-67a5c0a35d07e2836abdcd533ce190d7"},{"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 0.2802. Missing scores are unknown.","source_id":"sr-975f4b16b294ae3951c0bebb1b35fd74"}],"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-67a5c0a35d07e2836abdcd533ce190d7","url":"https://github.com/advisories/GHSA-24rc-8hj2-v98c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-24rc-8hj2-v98c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-975f4b16b294ae3951c0bebb1b35fd74","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-2026-96638","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.701Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-67a5c0a35d07e2836abdcd533ce190d7"],"technology":"pillow","known_exclusions":[],"conditions_summary":"## Summary\nBmpRleDecoder can be forced to allocate gigabytes of memory from a kilobyte-sized crafted BMP file via unbounded growth in the delta escape and absolute mode branches.\n\n## Affected versions\nAll versions up to and including current HEAD (v13.0.0.dev0, commit e7a7ea84)\n\n## Root cause\nBmpRleDecoder.decode() (BmpImagePlugin.py:327-395) builds a Python bytearray `data` with dest_length = xsize*ysize, looping `while len(data)  up to ~255*xsize bytes in ONE iteration.\n- absolute mode (line 385): data += bytes_read (up to 255).\n\nBecause a single delta can push len(data) to ~256 * (row size), a tiny RLE stream combined with a large-but-legal xsize (xsize*ysize just under MAX_IMAGE_PIXELS, ~89M) yields a multi-GB `data` bytearray (then copied again by bytes(data) and set_as_raw). No heap OOB (bytearray/set_as_raw are bounds-safe), but a severe memory-amplification DoS: the attacker file stays tiny.\n\n## Reproduction\nPython 3.13, Pillow HE","public_affected_ranges":[">= 9.1.0, < 13.0.0"]}],"null_published_at":"2026-11-05T03:53:06.258Z","source_updated_at":"2026-10-22T15:59:36.000Z","source_disclosed_at":"2026-10-22T15:59:35.000Z","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-00010605","kind":"vulnerability","title":"Pillow: BMP RLE decoder memory-amplification DoS via unbounded delta escape / absolute mode","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-24rc-8hj2-v98c","CVE-2026-96638"],"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-67a5c0a35d07e2836abdcd533ce190d7"],"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":"2026-10-22T15:59:36.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-67a5c0a35d07e2836abdcd533ce190d7"}],"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-67a5c0a35d07e2836abdcd533ce190d7","url":"https://github.com/advisories/GHSA-24rc-8hj2-v98c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-24rc-8hj2-v98c","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-67a5c0a35d07e2836abdcd533ce190d7"],"technology":"pillow","known_exclusions":[],"conditions_summary":"## Summary\nBmpRleDecoder can be forced to allocate gigabytes of memory from a kilobyte-sized crafted BMP file via unbounded growth in the delta escape and absolute mode branches.\n\n## Affected versions\nAll versions up to and including current HEAD (v13.0.0.dev0, commit e7a7ea84)\n\n## Root cause\nBmpRleDecoder.decode() (BmpImagePlugin.py:327-395) builds a Python bytearray `data` with dest_length = xsize*ysize, looping `while len(data)  up to ~255*xsize bytes in ONE iteration.\n- absolute mode (line 385): data += bytes_read (up to 255).\n\nBecause a single delta can push len(data) to ~256 * (row size), a tiny RLE stream combined with a large-but-legal xsize (xsize*ysize just under MAX_IMAGE_PIXELS, ~89M) yields a multi-GB `data` bytearray (then copied again by bytes(data) and set_as_raw). No heap OOB (bytearray/set_as_raw are bounds-safe), but a severe memory-amplification DoS: the attacker file stays tiny.\n\n## Reproduction\nPython 3.13, Pillow HE","public_affected_ranges":[">= 9.1.0, < 13.0.0"]}],"null_published_at":"2026-10-31T22:27:09.625Z","source_updated_at":"2026-10-22T15:59:36.000Z","source_disclosed_at":"2026-10-22T15:59:35.000Z","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"}