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CVE-2026-53505

Thumbor proportion filter allows unbounded post-transform resize leading to remote DoS PUBLISHED

Description (CNA)

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor's filters:proportion(<value>) filter does not enforce an upper bound on <value> and runs in the post-transform phase. An attacker can trigger extremely large resizes (CPU/memory exhaustion) and cause denial of service. This issue is fixed in 7.8.0.

Affected (CNA)

Vendor / productVersions
thumbor / thumboraffected < 7.8.0

CWE

CWE-400

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.