CVE-2026-45729

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

MEDIUM
4.3
CVSS Score
Published: June 1, 2026 at 05:18 PM UTC
Updated: July 22, 2026 at 08:27 AM UTC
1 product affected across 1 vendorThorvg

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.0.5
Affected range stops below 1.0.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-476

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