The vulnerability of the nsTextFragment function in Mozilla Firefox, Firefox ESR, and the Thunderbird email client allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the nsTextFragment function in Mozilla Firefox, Firefox ESR, and the email client Thunderbird is related to buffer overflow in dynamic memory. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of protected...

Heap Buffer Overflow

Firefox is vulnerable to Heap Buffer Overflow . The vulnerability is caused due to insufficient OOM handling in the nsTextFragment method .This can cause a program to crash, leading to a Denial of Service DoS attack...

CVE-2023-6858

The Mozilla Foundation Security Advisory describes this flaw as: Firefox was susceptible to a heap buffer overflow in nsTextFragment due to insufficient OOM handling...

SUSE CVE-2023-6858

Firefox was susceptible to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

CVE-2023-6858

Firefox was susceptible to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

DEBIAN-CVE-2023-6858

Firefox was susceptible to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Heap overflow

Firefox was susceptible to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

CVE-2023-6858

Firefox was susceptible to a heap buffer overflow in nsTextFragment due to insufficient OOM handling. This vulnerability affects Firefox ESR 115.6, Thunderbird 115.6, and Firefox 121...

Security Vulnerabilities fixed in Firefox 121 — Mozilla

The WebGL DrawElementsInstanced method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. Multiple NSS NIST curves were susceptible to a side-channel attack known as...

Mozilla Firefox ESR < 115.6

The version of Firefox ESR installed on the remote Windows host is prior to 115.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2023-54 advisory. - Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs showed...