CVE-2026-45729 PUBLISHED

ThorVG: Null pointer dereference in SVG loader causes crash via 6-byte malformed input

Assigner: GitHub_M
Reserved: 13.05.2026 Published: 01.06.2026 Updated: 02.06.2026

Thor Vector Graphics (ThorVG) is a production-ready vector graphics engine. Prior to version 1.0.5, a null pointer dereference in SvgLoader::run() allows any caller that passes untrusted SVG data to Picture::load() to crash the process with a 6-byte payload. This issue has been patched in version 1.0.5.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	Required	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	thorvg
Product	thorvg
Versions	Version < 1.0.5 is affected

References

https://github.com/thorvg/thorvg/security/advisories/GHSA-f863-8ghq-7h64
https://github.com/thorvg/thorvg/pull/4387
https://github.com/thorvg/thorvg/commit/159f44fd5e3d2eea1b3a70689a894e657e2bb079
https://github.com/thorvg/thorvg/releases/tag/v1.0.5

Problem Types

CWE-476: NULL Pointer Dereference CWE