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Vulnerability record · CVE-2019-12528 · published 4 February 2020

CVE-2019-12528: Squid-cache squid vulnerability

Squid Cache · Squid

An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.

7.5 CVSS 3.1 High EPSS 10% · top 4.4%
7.5CVSS 3.1 base score, v2 5.0
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html Mailing ListThird Party Advisory
http://www.squid-cache.org/Advisories/SQUID-2020_2.txt Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZID
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG
https://security.gentoo.org/glsa/202003-34 Third Party Advisory
https://usn.ubuntu.com/4289-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4682 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html Mailing ListThird Party Advisory
http://www.squid-cache.org/Advisories/SQUID-2020_2.txt Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZID
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG
https://security.gentoo.org/glsa/202003-34 Third Party Advisory
https://usn.ubuntu.com/4289-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4682 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-12528), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.