CVE-2026-45729

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

State: Published
Severity: 4.3 Medium
Published: Jun 1, 2026
Updated: Jun 2, 2026
Reserved: May 13, 2026

Description

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.

Scores

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

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
thorvgthorvg	< 1.0.5Affected

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

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