CVE-2026-123616

EUVD-2026-119375
imgproxy from 3.3.0 before 4.0.16 contains an unbounded memory allocation vulnerability in the ICO loader that fails to validate the data_size field. Attackers can supply a crafted 23-byte ICO file declaring a ~4GB data_size to trigger memory exhaustion and worker crashes without authentication.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 41.22%
Common Weakness Enumeration
References
https://github.com/imgproxy/imgproxy/security/advisories/GHSA-mmq5-xm89-9pfg
https://www.vulncheck.com/advisories/imgproxy-3.3.0-before-4.0.16-memory-exhaustion-dos-via-ico-loader