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Medium · 4.3 Public exploit CVE-2026-45729 EUVD-2026-33722

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

Published Jun 1, 2026 · Updated Jun 2, 2026 · Assigned by GitHub_M

Vendor: thorvg Product: thorvg Package: thorvg Package: thorvg Ecosystem: Debian Ecosystem: Ubuntu

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 products

VendorProductAffectedFixed
thorvg thorvg < 1.0.5 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 thorvg 1.0.6+dfsg-1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 26.10 thorvg No fix yet —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • yeahhbean/CVE-2026-45729 ★ 1 · Jul 22, 2026

    ThorVG NULL pointer dereference via malformed SVG — AFL++ fuzzing writeup

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References