CVE-2019-12529
An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via
02 Description
An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 8.09% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.8% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-07-11 18:33Z7 YR AGO
- Last updated
- 2024-08-04 23:24Z2 YR AGO
- Reserved
- 2019-06-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- c0742a6336fb3190cfa3c7bfbf6c2c8c18cce8cc67cd18a3929cd2c7b7b176fc
05 Affected products
06 References
- www.squid-cache.orghttp://www.squid-cache.org/Versions/v4/changesets/
- github.comhttps://github.com/squid-cache/squid/commits/v4
- www.squid-cache.orghttp://www.squid-cache.org/Versions/v4/changesets/squid-4-dd46b5417809647f561d8a5e0e74c3aacd235258.patch
- usn.ubuntu.comUSN-4065-1https://usn.ubuntu.com/4065-1/
- lists.debian.org[debian-lts-announce] 20190720 [SECURITY] [DLA 1858-1] squid3 security updatehttps://lists.debian.org/debian-lts-announce/2019/07/msg00018.html
- usn.ubuntu.comUSN-4065-2https://usn.ubuntu.com/4065-2/
- lists.fedoraproject.orgFEDORA-2019-cb50bcc189https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPXN2CLAGN5QSQBTOV5IGVLDOQSRFNTZ/
- www.debian.orgDSA-4507https://www.debian.org/security/2019/dsa-4507
- seclists.org20190825 [SECURITY] [DSA 4507-1] squid security updatehttps://seclists.org/bugtraq/2019/Aug/42
- lists.opensuse.orgopenSUSE-SU-2019:2540http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00053.html
- lists.opensuse.orgopenSUSE-SU-2019:2541http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.html
- lists.debian.org[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00009.html
07 Fixed in
AlmaLinux 8
- libecap Fixed in 1.0.1-2.module_el8.6.0+2741+01592ae8
- libecap-devel Fixed in 1.0.1-2.module_el8.6.0+2741+01592ae8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- libecap Fixed in 1.0.1-2.module_el8.6.0+2741+01592ae8
- libecap-devel Fixed in 1.0.1-2.module_el8.6.0+2741+01592ae8
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- squid Fixed in 4.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- squid Fixed in 4.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- squid Fixed in 4.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- squid3 Fixed in 3.5.12-1ubuntu7.8
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- squid3 Fixed in 3.5.27-1ubuntu1.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.