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CVE-2026-54059 Pillow: PcfFontFile._load_bitmaps()`: `Image.frombytes()` called without `_decompression_bomb_check()` — bomb protection bypass via PCF font loading

🗓️ 06 Jul 2026 18:46:09Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Before 12.3.0, PCF font loading bypassed the decompression bomb check, risking memory exhaustion; fixed in 12.3.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54059
6 Jul 202618:46
attackerkb
CVE
CVE-2026-54059
6 Jul 202618:46
cve
Debian CVE
CVE-2026-54059
6 Jul 202618:46
debiancve
EUVD
EUVD-2026-41899
6 Jul 202618:46
euvd
NVD
CVE-2026-54059
6 Jul 202619:17
nvd
OSV
DEBIAN-CVE-2026-54059
6 Jul 202620:48
osv
Positive Technologies
PT-2026-55962
6 Jul 202600:00
ptsecurity
[
  {
    "vendor": "python-pillow",
    "product": "Pillow",
    "versions": [
      {
        "version": "< 12.3.0",
        "status": "affected"
      }
    ]
  }
]

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