CVE-2020-12762

Katalog CVE

CVSS 7.8 · High EPSS 1,9%

Kerentanan Integer Overflow or Wraparound pada json-c, fedoraproject fedora +3 lainnya. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.

Rincian

Terbit di NVD

9 Mei 2020

Terakhir diubah

14 Oktober 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,9% peluang dieksploitasi; lebih tinggi dari 79,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/json-c/json-c/pull/592 exploit · patch · advisory pihak ketiga
• https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf advisory pihak ketiga
• https://github.com/rsyslog/libfastjson/issues/161 exploit · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html advisory pihak ketiga
• https://security.gentoo.org/glsa/202006-13 advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210521-0001/ advisory pihak ketiga
• https://usn.ubuntu.com/4360-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4360-4/ advisory pihak ketiga
• https://www.debian.org/security/2020/dsa-4741 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBR36IXYBHITA...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CQQRRGBQCAWNC...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W226TSCJBEOXD...
• https://lists.debian.org/debian-lts-announce/2025/07/msg00021.html
• https://cert-portal.siemens.com/productcert/html/ssa-202008.html
• https://cert-portal.siemens.com/productcert/html/ssa-398330.html
• https://cert-portal.siemens.com/productcert/html/ssa-637483.html
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html