cve/2024/CVE-2024-11704.md

### [CVE-2024-11704](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-11704)
![](https://img.shields.io/static/v1?label=Product&message=Firefox%20ESR&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%3C%20128.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%3C%20133%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Potential%20double-free%20vulnerability%20in%20PKCS%237%20decryption%20handling&color=brighgreen)

### 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.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1899402

#### Github
No PoCs found on GitHub currently.