CVE-2020-23856

Katalog CVE

CVSS 5.5 · Medium EPSS 0,42%

Kerentanan Use After Free pada gnu cflow, fedoraproject fedora. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.

Rincian

Terbit di NVD

18 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,42% peluang dieksploitasi; lebih tinggi dari 34,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://lists.gnu.org/archive/html/bug-cflow/2020-07/msg00000.html exploit · mailing list · advisory vendor
• https://github.com/yangjiageng/PoC/blob/master/PoC_cflow_uaf_parser_line1284 exploit · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BLSXGFK2NYPCJ...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZTTKZX274BVF...