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  4. CVE 2026 124030 gpac through 26070 type confusion via
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Back to active CVEs
Medium · CVSS 6.8CVE-2026-124030

GPAC through 26.07.0 Type Confusion via gf_sg_command_apply XMT Field-ReplaceCVE-2026-124030

Answer in brief

CVE-2026-124030 records a Medium severity (CVSS 6.8) vulnerability in GPAC through 26.07.0 Type Confusion via gf_sg_command_apply XMT Field-Replace. The current sources do not mark it as known exploited. The current feed maps gpac/gpac (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 6, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps gpac/gpac (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
gpac/gpacgeneric>=0 <=26.07.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for gpac/gpac.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

GPAC through 26.07.0 contains a type confusion vulnerability in gf_sg_command_apply() in src/scenegraph/commands.c that fails to verify BIFS field-replace command types match target node fields. Attackers can supply a crafted XMT file opened with MP4Box, such as via chapter import, causing gf_sg_vrml_field_clone() to memcpy from invalid pointers and crash.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • GPAC through 26.07.0 Type Confusion via drawable_get_aspect_2d_mpeg4Same gpac/gpac package

Record context

Vulnerability class
Tool Poisoning
EPSS
Not reported
CWE IDs
CWE-843
Source
CVE List V5
Source checked
Nov 6, 2026
References
6 linked sources
Open source record