Skip to main content

Incopy CVE-2021-43016

MEDIUM
NULL Pointer Dereference (CWE-476)
2021-11-22 psirt@adobe.com
5.5
CVSS 3.1 · Vendor: adobe
Share

Severity by source

Vendor (adobe) PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from Vendor (adobe) · only source for this CVE.

CVSS VectorVendor: adobe

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Nov 22, 2021 - 16:15 cve.org
MEDIUM 5.5

DescriptionCVE.org

Adobe InCopy version 16.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

AnalysisAI

Adobe InCopy version 16.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. Adobe InCopy version 16.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Affected products include: Adobe Incopy. Version information: version 16.4.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

More in Incopy

View all
CVE-2021-21090 HIGH
8.8 Jun 28

Adobe InCopy version 16.0 (and earlier) is affected by an path traversal vulnerability when parsing a crafted file. Rate

CVE-2025-21156 HIGH
7.8 Feb 11

InCopy versions 20.0, 19.5.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that co

CVE-2025-47107 HIGH
7.8 Jun 10

Heap-based buffer overflow vulnerability in Adobe InCopy versions 20.2, 19.5.3 and earlier that allows arbitrary code ex

CVE-2025-30327 HIGH
7.8 Jun 10

CVE-2025-30327 is an integer overflow vulnerability in Adobe InCopy that enables arbitrary code execution with the privi

CVE-2025-47099 HIGH
7.8 Jul 08

InCopy versions 20.3, 19.5.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in

CVE-2025-47098 HIGH
7.8 Jul 08

InCopy versions 20.3, 19.5.3 and earlier are affected by an Access of Uninitialized Pointer vulnerability that could res

CVE-2025-47097 HIGH
7.8 Jul 08

InCopy versions 20.3, 19.5.3 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that co

CVE-2026-21281 HIGH
7.8 Jan 13

Arbitrary code execution in Adobe InCopy versions 21.0, 19.5.5 and earlier through a heap-based buffer overflow when use

CVE-2026-34631 HIGH
7.8 Apr 14

Arbitrary code execution in Adobe InCopy 20.5.2, 21.2 and earlier allows unauthenticated local attackers to execute mali

CVE-2026-27287 HIGH
7.8 Apr 14

Out-of-bounds read in Adobe InCopy 20.5.2, 21.2 and earlier allows arbitrary code execution when users open malicious fi

CVE-2026-34707 HIGH
7.8 Jun 09

Arbitrary code execution in Adobe InCopy versions 21.3, 20.5.3 and earlier occurs when a user opens a maliciously crafte

CVE-2026-34706 HIGH
7.8 Jun 09

Arbitrary code execution in Adobe InCopy 21.3, 20.5.3, and earlier allows attackers to run code as the current user when

Share

CVE-2021-43016 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy