Astra Linux – Vulnerability in Firefox, NSS

Calling PK11Encrypt in NSS using CKMCHACHA20 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 uses the ChaCha20-Poly1305 cipher suite. The most likely outcome i...

CVE-2024-7531

The Mozilla Foundation Security Advisory describes this flaw as: Calling PK11Encrypt in NSS using CKMCHACHA20 and the same buffer for input and output can result in plaintext on Intel Sandy Bridge and later processors. In Firefox this only affects the QUIC header protection feature when the...

SUSE CVE-2024-7531

Calling PK11Encrypt in NSS using CKMCHACHA20 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 outcom...

CVE-2024-7531

Calling PK11Encrypt in NSS using CKMCHACHA20 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 outcom...

CVE-2024-7531

Calling PK11Encrypt in NSS using CKMCHACHA20 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 outcom...

CVE-2024-7531

Calling PK11Encrypt in NSS using CKMCHACHA20 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 outcom...

CVE-2024-7531

Calling PK11Encrypt in NSS using CKMCHACHA20 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 outcom...

CVE-2024-7531

Calling PK11Encrypt in NSS using CKMCHACHA20 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 outcom...

CVE-2024-7531

Calling PK11Encrypt in NSS using CKMCHACHA20 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 outcom...

CVE-2024-7531

CVE-2024-7531 involves Mozilla Firefox and Firefox ESR. The connected documents confirm the underlying vulnerability: calling PK11_Encrypt() in NSS with CKM_CHACHA20 and using the same buffer for input and output can expose plaintext on Intel Sandy Bridge CPUs. In Firefox, the impact is limited t...