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TI-2021-19556 Aliases CVE-2021-43746GHSA-m8fx-qg8p-vw5p

Adobe Premiere Rush MP4 File Parsing Uninitialized Variable Information Disclosure Vulnerability

Priority LOW 28CWE-824Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Adobe Premiere Rush versions 1.5.16 (and earlier) allows access to an uninitialized pointer vulnerability that allows remote attackers to disclose sensitive information on affected installations. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of MP4 files. The issue results from the lack of proper initialization of memory prior to accessing it.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01774 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
AdobePremiere Rushup to 1.5.16; up to None—No fix listedCNA
  • Premiere Rush VendorAdobe Affected up to 1.5.16; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:adobe:premiere_rush:*:*:*:*:*:*:*:*up to 1.5.16VulnerableAdobe
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:adobe:premiere_rush:*:*:*:*:*:*:*:* Versions up to 1.5.16 Vulnerable ·Adobe
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43746
  2. 2026-10-03 Alias added: GHSA-m8fx-qg8p-vw5p

References

Advisory 1

  • TI-2020-07742 Out-of-bounds read in Adobe Premiere Rush CVSS 3.1HIGH 7.8
  • TI-2021-19557 Adobe Premiere Rush WAV File Memory Corruption Remote Code Execution CVSS 3.1HIGH 7.8
  • TI-2021-19096 Adobe Premiere Rush M4A File Memory Corruption Remote Code Execution CVSS 3.1HIGH 7.8
  • TI-2021-19095 Adobe Premiere Rush M4A File Memory Corruption Remote Code Execution CVSS 3.1HIGH 7.8
  • TI-2021-19093 Adobe Premiere Rush MXF File Memory Corruption Remote Code Execution CVSS 3.1HIGH 7.8
  • TI-2021-19092 Adobe Premiere Rush SVG File Memory Corruption Remote Code Execution CVSS 3.1HIGH 7.8
See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences