Adobe Reader 11.0.21

Below you can a history of notable security vulnerabilities and breaches related to Adobe Reader.

Table of Contents

1. CVE-2024-41896: Use-After-Free Vulnerability
2. CVE-2024-49530: Arbitrary Code Execution
3. CVE-2024-49535: XML External Entity (XXE) Vulnerability
4. CVE-2024-49531: Null Pointer Dereference
5. CVE-2024-39383: Proof-of-Concept Crash
6. 2013 Adobe Data Breach
7. Operation Aurora: 2010 Targeted Attacks
8. JavaScript Vulnerabilities in PDFs
9. Shadow Attacks on Signed PDFs

CVE-2024-41896: Use-After-Free Vulnerability

CVE-2024-41896 is a critical "use-after-free" vulnerability identified in Adobe Acrobat Reader. This flaw occurs when the program attempts to access memory that has already been freed, potentially allowing attackers to execute arbitrary code on the affected system. Adobe addressed this issue in a security update released in September 2024. More Information

CVE-2024-49530: Arbitrary Code Execution

CVE-2024-49530 is a critical vulnerability allowing arbitrary code execution due to a "use-after-free" condition. An attacker could execute malicious code with the privileges of the current user, potentially compromising the entire system. Adobe released a patch in December 2024. Adobe Security Bulletin

CVE-2024-49535: XML External Entity (XXE) Vulnerability

CVE-2024-49535 involves improper restriction of XML external entity references. Exploitation could lead to unauthorized access to sensitive information or denial of service. Adobe provided a security update in December 2024. Adobe Security Bulletin

CVE-2024-49531: Null Pointer Dereference

CVE-2024-49531 results from a null pointer dereference causing application crashes or denial of service, disrupting normal software operation. Adobe fixed this issue in December 2024. Adobe Security Bulletin

CVE-2024-39383: Proof-of-Concept Crash

CVE-2024-39383 can cause Adobe Acrobat and Reader to crash, but there were no reported active exploits as of August 2024. Adobe acknowledged the proof-of-concept existence. Adobe Security Bulletin

2013 Adobe Data Breach

In 2013, Adobe experienced a massive data breach impacting approximately 38 million users. Compromised data included encrypted passwords, credit card details, and product source code, raising significant concerns about infrastructure security. Details on Twingate

Operation Aurora: 2010 Targeted Attacks

Operation Aurora involved cyberattacks targeting companies including Adobe and Google through a zero-day vulnerability in Adobe Reader. Malicious PDF files installed malware, underscoring risks with unpatched software. More on Wired

JavaScript Vulnerabilities in PDFs

JavaScript within Adobe Reader PDFs enhances interactivity but has historically been exploited to execute malicious scripts, causing security breaches. Users frequently disable JavaScript to mitigate this risk. Adobe Acrobat on Wikipedia

Shadow Attacks on Signed PDFs

Shadow attacks exploit weaknesses in digital signatures allowing alteration of visible content without invalidating signatures, posing significant authenticity challenges for signed PDFs. PDF Vulnerabilities on Wikipedia

For up-to-date security information, always consult Adobe’s official Security Bulletins and Advisories.