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TI-2026-33467 Aliases CVE-2026-45729

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

Priority MEDIUM 53CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00235 14th percentileScored 2026-11-07
Fix Fixed thorvg (thorvg): 1.0.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
thorvgthorvgbefore 1.0.51.0.5Patch availableCNA
  • thorvg Vendorthorvg Affected before 1.0.5 Fixed in 1.0.5 Patch available CNA

Remediation

  • Fix · CNA thorvg (thorvg) Fixed in 1.0.5

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-45729

References

  • TI-2026-81578 Out-of-bounds read in ThorVG SFNT/TTF font loader CVSS 3.1MEDIUM 4.3

Sources