CVE-2026-14899

Katalog CVE

CVSS 7.5 · High EPSS 0,27%

Kerentanan Off-by-one Error pada mozilla thunderbird. Skor CVSS 3.1 7.5 (High) menurut CISA ADP.

Deskripsi (NVD)

The code to parse MIME headers for display when forwarding a message (if the setting to view all headers was enabled) had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in Thunderbird 153 and Thunderbird 140.13.

Rincian

Terbit di NVD

22 Juli 2026

Terakhir diubah

12 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

7.5 (High), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-193: Off-by-one Error

EPSS (30 hari)

0,27% peluang dieksploitasi; lebih tinggi dari 18,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-71/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-72/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2046137 permissions required