{"action":"Upgrade pillow to 12.3.0 or later.","affected":[{"fixed":"12.3.0","introduced":"0"}],"component":"pillow","cve_ids":["CVE-2026-55379"],"ecosystem":"PyPI","epss":0.00522,"exploited":false,"fixed_versions":["12.3.0"],"ghsa_id":"GHSA-45hq-cxwh-f6vc","id":"tcs_01M5KEX9RDSPY6Z28T9SWCW2BD","modified_at":"2026-09-10T03:50:51.372929814Z","published_at":"2026-07-20T21:13:18Z","references":["https://osv.dev/vulnerability/GHSA-45hq-cxwh-f6vc","https://github.com/python-pillow/Pillow/security/advisories/GHSA-45hq-cxwh-f6vc","https://nvd.nist.gov/vuln/detail/CVE-2026-55379","https://github.com/python-pillow/Pillow/commit/0a263e6264aa5399988d9acd3bbfbca2ca3ec77d","https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2026-2255.yaml","https://github.com/python-pillow/Pillow","https://github.com/python-pillow/Pillow/blob/main/docs/releasenotes/12.3.0.rst"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-45hq-cxwh-f6vc","url":"https://osv.dev/vulnerability/GHSA-45hq-cxwh-f6vc"}],"summary":"Pillow `BdfFontFile`: `Image.new()` called without `_decompression_bomb_check()` — bomb protection bypass via font loading"}