CVE-2019-20840

Katalog CVE

CVSS 7.5 · High EPSS 2,6%

Kerentanan Out-of-bounds Write pada libvnc project libvncserver, canonical ubuntu linux +8 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

Rincian

Terbit di NVD

17 Juni 2020

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-787: Out-of-bounds Write

EPSS (30 hari)

2,6% peluang dieksploitasi; lebih tinggi dari 85,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf patch · advisory pihak ketiga
• https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76 patch · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html mailing list · advisory pihak ketiga
• https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 release notes · advisory pihak ketiga
• https://usn.ubuntu.com/4434-1/ advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NA...