CVE-2024-11704
Mozilla Firefox PKCS7 Decoder Double-Free Vulnerability
Description
A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.
INFO
Published Date :
Nov. 26, 2024, 2:15 p.m.
Last Modified :
Nov. 3, 2025, 9:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
                                            The following products are affected by CVE-2024-11704
                                            vulnerability.
                                            Even if cvefeed.io is aware of the exact versions of the
                                            products
                                            that
                                            are
                                            affected, the information is not represented in the table below.
                                        
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 
Solution
- Upgrade Firefox and Thunderbird to the latest versions.
 - Update the affected Firefox and Thunderbird packages.
 
References to Advisories, Solutions, and Tools
                                            Here, you will find a curated list of external links that provide in-depth
                                            information, practical solutions, and valuable tools related to
                                            CVE-2024-11704.
                                        
| URL | Resource | 
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1899402 | Issue Tracking Permissions Required | 
| https://www.mozilla.org/security/advisories/mfsa2024-63/ | Vendor Advisory | 
| https://www.mozilla.org/security/advisories/mfsa2024-67/ | Vendor Advisory | 
| https://www.mozilla.org/security/advisories/mfsa2025-09/ | Vendor Advisory | 
| https://www.mozilla.org/security/advisories/mfsa2025-10/ | Vendor Advisory | 
| https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html | |
| https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2024-11704 is
            associated with the following CWEs:
        
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
            (CAPEC)
            stores attack patterns, which are descriptions of the common attributes and
            approaches employed by adversaries to exploit the CVE-2024-11704
            weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2024-11704 vulnerability anywhere in the article.
		
- 
                                                            
                                                                
The Cyber Express
 
CERT-In Warns of High-Severity Vulnerabilities in Mozilla Firefox and Thunderbird
The Indian Computer Emergency Response Team (CERT-In) has issued a vulnerability note (CIVN-2025-0016) highlighting a series of Mozilla vulnerability, including Firefox and Thunderbird. These vulnerab ... Read more
                The following table lists the changes that have been made to the
                CVE-2024-11704 vulnerability over time.
            
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
- 
                            
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 03, 2025
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html Added Reference https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html  - 
                            
Initial Analysis by [email protected]
Apr. 07, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions up to (excluding) 128.7.0 *cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* versions up to (excluding) 128.7.0 *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 133.0 *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions from (including) 129.0 up to (excluding) 133.0 Added Reference Type Mozilla Corporation: https://bugzilla.mozilla.org/show_bug.cgi?id=1899402 Types: Issue Tracking, Permissions Required Added Reference Type Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2024-63/ Types: Vendor Advisory Added Reference Type Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2024-67/ Types: Vendor Advisory Added Reference Type Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2025-09/ Types: Vendor Advisory Added Reference Type Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2025-10/ Types: Vendor Advisory  - 
                            
CVE Modified by [email protected]
Feb. 04, 2025
Action Type Old Value New Value Changed Description A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133 and Thunderbird < 133. A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7. Added Reference https://www.mozilla.org/security/advisories/mfsa2025-09/ Added Reference https://www.mozilla.org/security/advisories/mfsa2025-10/  - 
                            
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 27, 2024
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-415  - 
                            
New CVE Received by [email protected]
Nov. 26, 2024
Action Type Old Value New Value Added Description A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133 and Thunderbird < 133. Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1899402 Added Reference https://www.mozilla.org/security/advisories/mfsa2024-63/ Added Reference https://www.mozilla.org/security/advisories/mfsa2024-67/