CVE-2026-5245

Katalog CVE

CVSS 8.1 · High EPSS 0,62%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada cesanta mongoose. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability was found in Cesanta Mongoose up to 7.20. This impacts the function handle_mdns_record of the file mongoose.c of the component mDNS Record Handler. Performing a manipulation of the argument buf results in stack-based buffer overflow. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been made public and could be used. Upgrading to version 7.21 will fix this issue. The patch is named 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Rincian

Terbit di NVD

2 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121: Stack-based Buffer Overflow

EPSS (30 hari)

0,62% peluang dieksploitasi; lebih tinggi dari 48,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/cesanta/mongoose/commit/0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1 patch
• https://vuldb.com/submit/770103 advisory pihak ketiga · vdb entry
• https://vuldb.com/vuln/354826 advisory pihak ketiga · vdb entry
• https://github.com/cesanta/mongoose/ product
• https://github.com/cesanta/mongoose/releases/tag/7.21 product · release notes
• https://vuldb.com/vuln/354826/cti permissions required · vdb entry