
CVE catalog
CVE-2024-37894
Squid vulnerability
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Out-of-bounds Write error when assigning ESI variables, Squid is susceptible to a Memory Corruption error. This error can lead to a Denial of Service attack.
- Severity
- Medium · CVSS 6.3
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 6.25% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [
{
"name": "squid",
"status": "fixed",
"release": "sid",
"version": "7.7-1"
},
{
"name": "squid",
"status": "fixed",
"release": "forky",
"version": "7.7-1"
},
{
"name": "squid",
"status": "fixed",
"release": "trixie",
"version": "6.13-2+deb13u3"
},
{
"name": "squid",
"status": "fixed",
"release": "trixie-security",
"version": "6.13-2+deb13u2"
},
{
"name": "squid",
"status": "fixed",
"release": "bookworm",
"version": "5.7-2+deb12u5"
},
{
"name": "squid",
"status": "fixed",
"release": "bookworm-security",
"version": "5.7-2+deb12u6"
}
],
"fixed_versions": [
{
"bug": 1074284,
"name": "squid",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "not yet assigned",
"fixed_version": "6.10-1"
},
{
"bug": 1074284,
"name": "squid",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "not yet assigned",
"fixed_version": "6.10-1"
},
{
"bug": 1074284,
"name": "squid",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": "6.10-1"
},
{
"bug": 1074284,
"name": "squid",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": "5.7-2+deb12u2"
}
],
"distribution_packages": [
{
"name": "squid",
"distro": "ubuntu",
"release": "noble",
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1"
},
{
"name": "squid-cgi",
"distro": "ubuntu",
"release": "noble",
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1"
},
{
"name": "squid-common",
"distro": "ubuntu",
"release": "noble",
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1"
},
{
"name": "squid-openssl",
"distro": "ubuntu",
"release": "noble",
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1"
},
{
"name": "squid-purge",
"distro": "ubuntu",
"release": "noble",
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1"
},
{
"name": "squidclient",
"distro": "ubuntu",
"release": "noble",
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1"
},
{
"name": "squid3",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+esm3"
}
]
}
],
"release": "pro",
"versions": [
"3.5.23-5ubuntu1",
"3.5.23-5ubuntu2",
"3.5.27-1ubuntu1",
"3.5.27-1ubuntu1.1",
"3.5.27-1ubuntu1.2",
"3.5.27-1ubuntu1.3",
"3.5.27-1ubuntu1.4",
"3.5.27-1ubuntu1.5",
"3.5.27-1ubuntu1.6",
"3.5.27-1ubuntu1.7",
"3.5.27-1ubuntu1.8",
"3.5.27-1ubuntu1.9",
"3.5.27-1ubuntu1.10",
"3.5.27-1ubuntu1.11",
"3.5.27-1ubuntu1.12",
"3.5.27-1ubuntu1.13",
"3.5.27-1ubuntu1.14",
"3.5.27-1ubuntu1.14+esm1",
"3.5.27-1ubuntu1.14+esm2"
],
"ecosystem": "deb",
"fixed_version": "3.5.27-1ubuntu1.14+esm3",
"provider_record_id": "USN-6907-1"
},
{
"name": "squid",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.10-1ubuntu1.13"
}
]
}
],
"release": "20.04",
"versions": [
"4.8-1ubuntu2",
"4.8-1ubuntu3",
"4.9-2ubuntu1",
"4.9-2ubuntu2",
"4.9-2ubuntu3",
"4.9-2ubuntu4",
"4.10-1ubuntu1",
"4.10-1ubuntu1.1",
"4.10-1ubuntu1.2",
"4.10-1ubuntu1.3",
"4.10-1ubuntu1.4",
"4.10-1ubuntu1.5",
"4.10-1ubuntu1.6",
"4.10-1ubuntu1.7",
"4.10-1ubuntu1.8",
"4.10-1ubuntu1.9",
"4.10-1ubuntu1.10",
"4.10-1ubuntu1.11",
"4.10-1ubuntu1.12"
],
"ecosystem": "deb",
"fixed_version": "4.10-1ubuntu1.13",
"provider_record_id": "USN-6907-1"
},
{
"name": "squid",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.9-0ubuntu0.22.04.2"
}
]
}
],
"release": "22.04",
"versions": [
"4.13-10ubuntu5",
"5.2-1ubuntu1",
"5.2-1ubuntu3",
"5.2-1ubuntu4",
"5.2-1ubuntu4.1",
"5.2-1ubuntu4.2",
"5.2-1ubuntu4.3",
"5.7-0ubuntu0.22.04.1",
"5.7-0ubuntu0.22.04.2",
"5.7-0ubuntu0.22.04.3",
"5.7-0ubuntu0.22.04.4",
"5.9-0ubuntu0.22.04.1"
],
"ecosystem": "deb",
"fixed_version": "5.9-0ubuntu0.22.04.2",
"provider_record_id": "USN-6907-1"
},
{
"name": "squid",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.6-1ubuntu5.1"
}
]
}
],
"release": "24.04",
"versions": [
"6.1-2ubuntu1",
"6.1-2ubuntu2",
"6.5-1ubuntu1",
"6.5-1ubuntu2",
"6.5-1ubuntu3",
"6.6-1ubuntu4",
"6.6-1ubuntu5"
],
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1",
"provider_record_id": "USN-6907-1"
},
{
"name": "squid",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.10-150600.3.6.1"
}
]
}
],
"release": "linux enterprise module for server applications 15 sp6",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "6.10-150600.3.6.1",
"provider_record_id": "SUSE-SU-2024:2268-1"
},
{
"name": "squid",
"distro": "opensuse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.10-150600.3.6.1"
}
]
}
],
"release": "leap 15.6",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "6.10-150600.3.6.1",
"provider_record_id": "SUSE-SU-2024:2268-1"
},
{
"name": "squid",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7-150400.3.32.1"
}
]
}
],
"release": "linux enterprise module for server applications 15 sp5",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "5.7-150400.3.32.1",
"provider_record_id": "SUSE-SU-2024:2269-1"
},
{
"name": "squid",
"distro": "opensuse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7-150400.3.32.1"
}
]
}
],
"release": "leap 15.5",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "5.7-150400.3.32.1",
"provider_record_id": "SUSE-SU-2024:2269-1"
},
{
"name": "squid",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.17-4.50.1"
}
]
}
],
"release": "linux enterprise server 12 sp5",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "4.17-4.50.1",
"provider_record_id": "SUSE-SU-2024:2270-1"
},
{
"name": "squid",
"distro": "suse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.17-4.50.1"
}
]
}
],
"release": "linux enterprise server for sap applications 12 sp5",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "4.17-4.50.1",
"provider_record_id": "SUSE-SU-2024:2270-1"
},
{
"name": "squid",
"distro": "opensuse",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.10-1.1"
}
]
}
],
"release": "tumbleweed",
"versions": [],
"ecosystem": "rpm",
"fixed_version": "6.10-1.1",
"provider_record_id": "OPENSUSE-SU-2024:14080-1"
},
{
"name": "squid3",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27-1ubuntu1.14+esm3"
}
]
}
],
"release": "pro",
"versions": [
"3.5.23-5ubuntu1",
"3.5.23-5ubuntu2",
"3.5.27-1ubuntu1",
"3.5.27-1ubuntu1.1",
"3.5.27-1ubuntu1.2",
"3.5.27-1ubuntu1.3",
"3.5.27-1ubuntu1.4",
"3.5.27-1ubuntu1.5",
"3.5.27-1ubuntu1.6",
"3.5.27-1ubuntu1.7",
"3.5.27-1ubuntu1.8",
"3.5.27-1ubuntu1.9",
"3.5.27-1ubuntu1.10",
"3.5.27-1ubuntu1.11",
"3.5.27-1ubuntu1.12",
"3.5.27-1ubuntu1.13",
"3.5.27-1ubuntu1.14",
"3.5.27-1ubuntu1.14+esm1",
"3.5.27-1ubuntu1.14+esm2"
],
"ecosystem": "deb",
"fixed_version": "3.5.27-1ubuntu1.14+esm3",
"provider_record_id": "UBUNTU-CVE-2024-37894"
},
{
"name": "squid",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.10-1ubuntu1.13"
}
]
}
],
"release": "20.04",
"versions": [
"4.8-1ubuntu2",
"4.8-1ubuntu3",
"4.9-2ubuntu1",
"4.9-2ubuntu2",
"4.9-2ubuntu3",
"4.9-2ubuntu4",
"4.10-1ubuntu1",
"4.10-1ubuntu1.1",
"4.10-1ubuntu1.2",
"4.10-1ubuntu1.3",
"4.10-1ubuntu1.4",
"4.10-1ubuntu1.5",
"4.10-1ubuntu1.6",
"4.10-1ubuntu1.7",
"4.10-1ubuntu1.8",
"4.10-1ubuntu1.9",
"4.10-1ubuntu1.10",
"4.10-1ubuntu1.11",
"4.10-1ubuntu1.12"
],
"ecosystem": "deb",
"fixed_version": "4.10-1ubuntu1.13",
"provider_record_id": "UBUNTU-CVE-2024-37894"
},
{
"name": "squid",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.9-0ubuntu0.22.04.2"
}
]
}
],
"release": "22.04",
"versions": [
"4.13-10ubuntu5",
"5.2-1ubuntu1",
"5.2-1ubuntu3",
"5.2-1ubuntu4",
"5.2-1ubuntu4.1",
"5.2-1ubuntu4.2",
"5.2-1ubuntu4.3",
"5.7-0ubuntu0.22.04.1",
"5.7-0ubuntu0.22.04.2",
"5.7-0ubuntu0.22.04.3",
"5.7-0ubuntu0.22.04.4",
"5.9-0ubuntu0.22.04.1"
],
"ecosystem": "deb",
"fixed_version": "5.9-0ubuntu0.22.04.2",
"provider_record_id": "UBUNTU-CVE-2024-37894"
},
{
"name": "squid",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.6-1ubuntu5.1"
}
]
}
],
"release": "24.04",
"versions": [
"6.1-2ubuntu1",
"6.1-2ubuntu2",
"6.5-1ubuntu1",
"6.5-1ubuntu2",
"6.5-1ubuntu3",
"6.6-1ubuntu4",
"6.6-1ubuntu5"
],
"ecosystem": "deb",
"fixed_version": "6.6-1ubuntu5.1",
"provider_record_id": "UBUNTU-CVE-2024-37894"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [squid]Unknown
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
- [squid-cgi]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
- [squidclient]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
- [squid-common]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· all · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u5· all · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· all · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· all · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
- [squid-openssl]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
- [squid-purge]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
5.7-2+deb12u2usn · squid · debian · bookworm; usn · squid · debian · 12
[Debian 13 (Trixie)]
- [squid]Unknown
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
- [squid-cgi]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
- [squidclient]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
- [squid-common]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· all · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· all · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· all · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· all · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
- [squid-openssl]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
- [squid-purge]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
6.10-1usn · squid · debian · 13
[openSUSE Tumbleweed]
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2024_2268-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2024-37894]
- [https://osv.dev/vulnerability/DSA-5751-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2268-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2269-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2270-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2024-37894]
- [https://osv.dev/vulnerability/USN-6907-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:14080-1]
- [https://security-tracker.debian.org/tracker/CVE-2024-37894]
- [https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-37894.json]
- [https://ubuntu.com/security/notices/USN-6907-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1447.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]