AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2024-7531

MEDIUM · CVSS 6.5 EPSS 0.43%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-08-06 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.

CVE
CVE-2024-7531
Severity
MEDIUM
CVSS
6.5
EPSS
0.43%
Firefox

Original NVD Description

Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the same buffer for input and output can result in plaintext on an Intel Sandy Bridge processor. In Firefox this only affects the QUIC header protection feature when the connection is using the ChaCha20-Poly1305 cipher suite. The most likely outcome is connection failure, but if the connection persists despite the high packet loss it could be possible for a network observer to identify packets as coming from the same source despite a network path change. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)