CVE-2021-45958

Katalog CVE

CVSS 5.5 · Medium EPSS 1,6%

Kerentanan Out-of-bounds Write pada ultrajson project ultrajson, debian linux +1 lainnya. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.

Rincian

Terbit di NVD

1 Januari 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,6% peluang dieksploitasi; lebih tinggi dari 74,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/ultrajson/ultrajson/issues/502#issuecomment-1031747284 issue tracking · patch · advisory pihak ketiga
• https://github.com/ultrajson/ultrajson/pull/504 patch · advisory pihak ketiga
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009 exploit · issue tracking · advisory pihak ketiga
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ujson/OSV-2021-955.yaml exploit · advisory pihak ketiga
• https://github.com/ultrajson/ultrajson/issues/501 exploit · issue tracking · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/02/msg00023.html mailing list · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CN7W3GOXALINK...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NAU5N4A7EUK2A...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O6JUWQTJLA2CM...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ULX35TSWLBBIM...