{"action":"Upgrade pillow to 12.3.0 or later.","affected":[{"fixed":"12.3.0","introduced":"0"}],"component":"pillow","cve_ids":["CVE-2026-54059"],"ecosystem":"PyPI","epss":0.0041,"exploited":false,"fixed_versions":["12.3.0"],"ghsa_id":"GHSA-8v84-f9pq-wr9x","id":"tcs_01M5KGYC1C0ZKW36Q8E4A563Q4","modified_at":"2026-07-13T07:26:49.281845979Z","published_at":"2026-07-06T19:17:08.127Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2253","https://github.com/python-pillow/Pillow/blob/main/docs/releasenotes/12.3.0.rst","https://github.com/python-pillow/Pillow/commit/0a263e6264aa5399988d9acd3bbfbca2ca3ec77d","https://github.com/python-pillow/Pillow/security/advisories/GHSA-8v84-f9pq-wr9x"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2253","url":"https://osv.dev/vulnerability/PYSEC-2026-2253"}],"summary":"Pillow is a Python imaging library. Prior to 12.3.0, PIL/PcfFontFile.py _load_bitmaps() read glyph dimensions from the PCF METRICS section and passed them directly to Image.frombytes() without calling"}