CVE-2021-28652 — Missing Release of Memory after Effective Lifetime in Squid

CWE-401 — Missing Release of Memory after Effective Lifetime9 documents6 sources
Severity
4.9MEDIUMNVD
EPSS
0.5%
top 32.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
SquidSquid-cache SquidDebian Linux+1 more
Timeline
PublishedMay 27
Latest updateJul 11

Description

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 1.2 | Impact: 3.6

Affected Packages2 packages

▶NVDsquid-cache/squid1.0 — 4.15+1
▶Debiansquid/squid< 4.13-10+3

Also affects: Debian Linux 10.0, 9.0, Fedora 33, 34

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

5
OSV
apport vulnerabilities↗2024-07-11
▶
OSV
apport vulnerabilities↗2022-05-17
▶
OSV
squid, squid3 vulnerabilities↗2021-06-03
▶
OSV
CVE-2021-28652: An issue was discovered in Squid before 4↗2021-05-27
▶
CVEList
CVE-2021-28652: An issue was discovered in Squid before 4↗2021-05-27
▶

📋Vendor Advisories

3
Ubuntu
Squid vulnerabilities↗2021-06-03
▶
Red Hat
squid: denial of service issue in Cache Manager↗2021-05-10
▶
Debian
CVE-2021-28652: squid - An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorr...↗2021
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CVE-2021-28652 — Squid-cache Squid vulnerability | cvebase