CVE-2021-28651

Katalog CVE

CVSS 7.5 · High EPSS 7,4%

Kerentanan Missing Release of Memory after Effective Lifetime pada squid-cache squid, debian linux +2 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.

Rincian

Terbit di NVD

27 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-401: Missing Release of Memory after Effective Lifetime

EPSS (30 hari)

7,4% peluang dieksploitasi; lebih tinggi dari 94,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugs.squid-cache.org/show_bug.cgi?id=5104 exploit · issue tracking · advisory vendor
• https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4 patch · advisory pihak ketiga
• http://seclists.org/fulldisclosure/2023/Oct/14 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2023/10/11/3 mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html mailing list · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20210716-0007/ advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4924 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR4...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXA...