CVE-2021-39926

Katalog CVE

CVSS 7.5 · High EPSS 7,8%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada wireshark, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file

Rincian

Terbit di NVD

19 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

7,8% peluang dieksploitasi; lebih tinggi dari 94,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.wireshark.org/security/wnpa-sec-2021-08.html advisory vendor
• https://gitlab.com/wireshark/wireshark/-/issues/17649 exploit · issue tracking · patch · advisory pihak ketiga
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39926.json advisory pihak ketiga
• https://security.gentoo.org/glsa/202210-04 advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-5019 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TY...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQB...