
CVE catalog
CVE-2018-1000024
squid: CVE-2018-1000024
- Severity
- High · CVSS 7.4
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 7.93% · Oct 27, 2026
The Squid Software Foundation Squid HTTP Caching Proxy version 3.0 to 3.5.27, 4.0 to 4.0.22 contains a Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of Service for all clients using the proxy.. This attack appear to be exploitable via Remote server delivers an HTTP response payload containing valid but unusual ESI syntax.. This vulnerability appears to have been fixed in 4.0.23 and later.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | squid | sid | 7.7-1 | fixed |
| Debian | squid | forky | 7.7-1 | fixed |
| Debian | squid | trixie | 6.13-2+deb13u3 | fixed |
| Debian | squid | trixie-security | 6.13-2+deb13u2 | fixed |
| Debian | squid | bookworm | 5.7-2+deb12u5 | fixed |
| Debian | squid | bookworm-security | 5.7-2+deb12u6 | fixed |
| Alpine | squid | 3.10 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.11 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.12 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.13 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.14 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.15 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.16 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.17 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.18 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.19 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.20 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.21 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.22 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.23 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.24 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.4 | 3.5.27-r0 | fixed |
| Alpine | squid | 3.5 | 3.5.27-r0 | fixed |
| Alpine | squid | 3.6 | 3.5.27-r0 | fixed |
| Alpine | squid | 3.7 | 3.5.27-r0 | fixed |
| Alpine | squid | 3.8 | 3.5.27-r2 | fixed |
| Alpine | squid | 3.9 | 3.5.27-r2 | fixed |
| Suse | squid | linux enterprise server for raspberry pi 12 sp2 | 3.5.21-26.6.1 | fixed |
| Suse | squid | linux enterprise server 12 sp2 | 3.5.21-26.6.1 | fixed |
| Suse | squid | linux enterprise server for sap applications 12 sp2 | 3.5.21-26.6.1 | fixed |
| Suse | squid | linux enterprise server 12 sp3 | 3.5.21-26.6.1 | fixed |
| Suse | squid | linux enterprise server for sap applications 12 sp3 | 3.5.21-26.6.1 | fixed |
| Suse | squid3 | linux enterprise server 11 sp4 | 3.1.23-8.16.37.3.1 | fixed |
| Suse | squid3 | linux enterprise server for sap applications 11 sp4 | 3.1.23-8.16.37.3.1 | fixed |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu3 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu4 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu5 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.1 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.2 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.3 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.4 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.6 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.8 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.9 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.10 | vulnerable |
| Ubuntu | squid3 | 14.04 | 3.3.8-1ubuntu6.11 | fixed |
| Ubuntu | squid3 | 16.04 | 3.3.8-1ubuntu16 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.3.8-1ubuntu17 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.5.12-1ubuntu6 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.5.12-1ubuntu7 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.5.12-1ubuntu7.1 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.5.12-1ubuntu7.2 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.5.12-1ubuntu7.3 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.5.12-1ubuntu7.4 | vulnerable |
| Ubuntu | squid3 | 16.04 | 3.5.12-1ubuntu7.5 | fixed |
| Ubuntu | squid3 | 18.04 | 3.5.23-5ubuntu1 | vulnerable |
| Ubuntu | squid3 | 18.04 | 3.5.23-5ubuntu2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | squid | source | sid | 4.1-1 | not yet assigned | Not reported | Not reported |
| Debian | squid | source | forky | 4.1-1 | not yet assigned | Not reported | Not reported |
| Debian | squid | source | trixie | 4.1-1 | not yet assigned | Not reported | Not reported |
| Debian | squid | source | bookworm | 4.1-1 | not yet assigned | Not reported | Not reported |
| Alpine | squid | apk | 3.10 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.11 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.12 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.13 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.14 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.15 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.16 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.17 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.18 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.19 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.20 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.21 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.22 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.23 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.24 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.4 | 3.5.27-r0 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.5 | 3.5.27-r0 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.6 | 3.5.27-r0 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.7 | 3.5.27-r0 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.8 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Alpine | squid | apk | 3.9 | 3.5.27-r2 | Not reported | ALPINE-CVE-2018-1000024 | Not reported |
| Suse | squid | rpm | linux enterprise server for raspberry pi 12 sp2 | 3.5.21-26.6.1 | Not reported | SUSE-SU-2018:0636-1 | Not reported |
| Suse | squid | rpm | linux enterprise server 12 sp2 | 3.5.21-26.6.1 | Not reported | SUSE-SU-2018:0636-1 | Not reported |
| Suse | squid | rpm | linux enterprise server for sap applications 12 sp2 | 3.5.21-26.6.1 | Not reported | SUSE-SU-2018:0636-1 | Not reported |
| Suse | squid | rpm | linux enterprise server 12 sp3 | 3.5.21-26.6.1 | Not reported | SUSE-SU-2018:0636-1 | Not reported |
| Suse | squid | rpm | linux enterprise server for sap applications 12 sp3 | 3.5.21-26.6.1 | Not reported | SUSE-SU-2018:0636-1 | Not reported |
| Suse | squid3 | rpm | linux enterprise server 11 sp4 | 3.1.23-8.16.37.3.1 | Not reported | SUSE-SU-2018:0752-1 | Not reported |
| Suse | squid3 | rpm | linux enterprise server for sap applications 11 sp4 | 3.1.23-8.16.37.3.1 | Not reported | SUSE-SU-2018:0752-1 | Not reported |
| Ubuntu | squid3 | deb | 14.04 | 3.3.8-1ubuntu6.11 | Not reported | UBUNTU-CVE-2018-1000024 | Not reported |
| Ubuntu | squid3 | deb | 16.04 | 3.5.12-1ubuntu7.5 | Not reported | UBUNTU-CVE-2018-1000024 | Not reported |
| Ubuntu | squid3 | deb | 18.04 | 3.5.23-5ubuntu2 | Not reported | UBUNTU-CVE-2018-1000024 | Not reported |
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:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
- [squid-cgi]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
- [squidclient]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
- [squid-common]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· all · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u5· all · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· all · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· all · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
- [squid-openssl]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
- [squid-purge]Unknown
Source package: [squid]
Details (4)
5.7-2+deb12u5· amd64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u5· arm64 · bookwormFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· amd64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
5.7-2+deb12u6· arm64 · bookworm-securityFixed · Fixed:
4.1-1dsa · squid · debian · bookworm; dsa · squid · debian · 12
[Debian 13 (Trixie)]
- [squid]Unknown
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
- [squid-cgi]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
- [squidclient]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
- [squid-common]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· all · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· all · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· all · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· all · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
- [squid-openssl]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
- [squid-purge]Unknown
Source package: [squid]
Details (4)
6.13-2+deb13u2· amd64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixieFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· amd64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
6.13-2+deb13u2· arm64 · trixie-securityFixed · Fixed:
4.1-1dsa · squid · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2020_1068.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-1000024]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-1000024]
- [https://osv.dev/vulnerability/DLA-1266-1]
- [https://osv.dev/vulnerability/DSA-4122-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:0636-1]
- [https://osv.dev/vulnerability/SUSE-SU-2018:0752-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-1000024]
- [https://security-tracker.debian.org/tracker/CVE-2018-1000024]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-1000024.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]