CVE-2021-42734— Adobe Photoshop TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
Quick assessment
Affected
Adobe Photoshop Desktop
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Adobe Photoshop是美国奥多比（Adobe）公司的一套图片处理软件。该软件主要用于处理图片。 Adobe Photoshop存在缓冲区错误漏洞，该漏洞漏洞的存在是由于边界条件。远程攻击者可利用该漏洞可以创建一个专门制作的文件，诱骗受害者打开它，触发越界读取错误，并读取系统内存中的内容。该漏洞允许远程攻击者可利用该漏洞访问潜在的敏感信息。
Possible ATT&CK Techniques 3 AI
T1055 · Process Injection T1135 · Network Share Discovery T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-42734
Vulnerability Information
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Vulnerability Title
Adobe Photoshop TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Adobe Photoshop version 22.5.1 and earlier versions are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Photoshop 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Photoshop是美国奥多比（Adobe）公司的一套图片处理软件。该软件主要用于处理图片。 Adobe Photoshop存在缓冲区错误漏洞，该漏洞漏洞的存在是由于边界条件。远程攻击者可利用该漏洞可以创建一个专门制作的文件，诱骗受害者打开它，触发越界读取错误，并读取系统内存中的内容。该漏洞允许远程攻击者可利用该漏洞访问潜在的敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | Photoshop Desktop | 0 ~ 22.5.1 | - |
|
II. Public POCs for CVE-2021-42734
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-42734 (1)
Same Patch Batch · Adobe · 2023-09-07 · 30 CVEs total
| CVE-2021-43027 | 7.8 HIGH | Adobe After Effects TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabili |
| CVE-2021-44188 | 7.8 HIGH | Adobe After Effects 3GP File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerabilit |
| CVE-2021-40795 | 7.8 HIGH | Adobe Premiere Pro 3GP File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability |
| CVE-2021-43018 | 7.8 HIGH | Adobe Photoshop JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2021-43753 | 7.8 HIGH | Adobe Lightroom TIF File Parsing Use-After-Free Information Disclosure Vulnerability |
| CVE-2022-30642 | 7.8 HIGH | Adobe Illustrator Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30638 | 7.8 HIGH | Adobe Illustrator Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30641 | 7.8 HIGH | Adobe Illustrator SVG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30646 | 7.8 HIGH | Adobe Illustrator Font Parsing Out-of-bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30637 | 7.8 HIGH | Adobe Illustrator Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30643 | 7.8 HIGH | Adobe Illustrator Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30645 | 7.8 HIGH | Adobe Illustrator SVG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30640 | 7.8 HIGH | Adobe Illustrator Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2022-30644 | 7.8 HIGH | Adobe Illustrator Font Parsing Use-After-Free Remote Code Execution Vulnerability |
| CVE-2022-30639 | 7.8 HIGH | Adobe Illustrator Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability |
| CVE-2021-40698 | 7.4 HIGH | ColdFusion Use of Inherently Dangerous Function Leads To Security feature bypass |
| CVE-2021-40699 | 7.4 HIGH | ColdFusion CFIDE Improper Access Control Leads To Privilege Escalation |
| CVE-2021-40723 | 5.5 MEDIUM | Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability |
| CVE-2021-40790 | 5.5 MEDIUM | Adobe Premiere Pro MOV File Parsing Use-After-Free Information Disclosure Vulnerability |
| CVE-2021-40791 | 5.5 MEDIUM | Adobe Premiere Pro JPEG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabili |
Showing top 20 of 30 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Photoshop Desktop
-
CVE-2026-27289
Photoshop Desktop | Out-of-bounds Read (CWE-125) -
CVE-2025-61819
Photoshop Desktop | Heap-based Buffer Overflow (CWE-122) -
CVE-2025-49570
Photoshop Desktop | Out-of-bounds Write (CWE-787) -
CVE-2025-30325
Photoshop Desktop | Integer Overflow or Wraparound (CWE-190) -
CVE-2025-30326
Photoshop Desktop | Access of Uninitialized Pointer (CWE-824
Same vendor: Adobe
-
CVE-2026-84395
Premiere Pro | Server-Side Request Forgery (SSRF) (CWE-918) -
CVE-2026-83963
Substance3D - Modeler | Out-of-bounds Write (CWE-787) -
CVE-2026-81998
Substance3D - Modeler | Out-of-bounds Write (CWE-787) -
CVE-2026-83962
Substance3D - Modeler | Stack-based Buffer Overflow (CWE-121 -
CVE-2026-79906
Substance3D - Modeler | Out-of-bounds Write (CWE-787)
V. Comments for CVE-2021-42734
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