CVE-2021-31873

Katalog CVE

CVSS 9.8 · Critical EPSS 2,2%

Kerentanan Integer Overflow or Wraparound pada klibc project klibc, debian linux. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.

Rincian

Terbit di NVD

30 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

2,2% peluang dieksploitasi; lebih tinggi dari 81,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202 patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/04/30/1 mailing list · release notes · advisory pihak ketiga
• https://kernel.org/pub/linux/libs/klibc/2.0/ release notes · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html mailing list · advisory pihak ketiga
• https://lists.zytor.com/archives/klibc/2021-April/004593.html mailing list · release notes · advisory pihak ketiga
• https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202