CVE-2026-123616
HIGH
MEDIUM
Priority: 0.04
BB Relevance:
77/100
Published: 2026-11-08
Modified: 2026-11-12
First seen: 2026-11-08
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
X
AT:
None
VC:
None
VI:
None
VA:
High
Description
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.
Weakness Classification (1)
Affected Software (2)
References & Advisories (2)
vendor-advisory
third-party-advisory