CVE-2025-25977

EUVD-2025-6266
An issue in canvg v.4.0.2 allows an attacker to execute arbitrary code via the Constructor of the class StyleElement.
Prototype Pollution
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
Affected Products (NVD)
VendorProductVersion
canvgcanvg
𝑥
< 3.0.11
canvgcanvg
4.0.0 ≤
𝑥
< 4.0.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/canvg/canvg/issues/1749
https://github.com/canvg/canvg/issues/1749