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CVE-2026-53503 Thumbor convolution filter allows divide-by-zero in C extension leading to remote DoS

🗓️ 31 Jul 2026 18:54:20Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Thumbor before 7.8.0 has a convolution filter that divides by columns in C code, causing denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-53503
31 Jul 202618:54
attackerkb
cve
CVE
CVE-2026-53503
31 Jul 202618:54
cve
euvd
EUVD
EUVD-2026-51609
31 Jul 202618:54
euvd
github
Github Security Blog
Thumbor convolution filter allows divide-by-zero in C extension leading to remote DoS
31 Jul 202618:54
github
nvd
NVD
CVE-2026-53503
31 Jul 202619:17
nvd
osv
OSV
DEBIAN-CVE-2026-53503
31 Jul 202620:48
osv
osv
OSV
GHSA-CQJP-JF4R-H5Q9 Thumbor convolution filter allows divide-by-zero in C extension leading to remote DoS
31 Jul 202618:54
osv
ptsecurity
Positive Technologies
PT-2026-66840
31 Jul 202600:00
ptsecurity
[
  {
    "vendor": "thumbor",
    "product": "thumbor",
    "versions": [
      {
        "version": "< 7.8.0",
        "status": "affected"
      }
    ]
  }
]

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