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CVE-2023-46728

Fixed in a distro release EPSS 6%CVSS 7.5

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and enabled in Squid prior to Squid 6.0.1. Responses triggering this bug are possible to be received from any gopher server, even those without malicious intent. Gopher support has been removed in Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should reject all gopher URL requests.

Published 2023-11-06 · CVE record · OSV

Products: squid-cache squid

Distro releases

ReleasePackageFixed in
AlmaLinux 8libecap1.0.1-2.module_el8.6.0+3048+383bc947
AlmaLinux 8libecap1.0.1-2.module_el8.6.0+2741+01592ae8
AlmaLinux 8libecap-devel1.0.1-2.module_el8.6.0+2741+01592ae8
AlmaLinux 8libecap-devel1.0.1-2.module_el8.6.0+3048+383bc947
AlmaLinux 8squid7:4.15-7.module_el8.9.0+3708+6acaac63.5
AlmaLinux 9squid7:5.5-6.el9_3.5
Amazon Linux 2squid7:3.5.20-17.amzn2.7.14
Amazon Linux 2squid-migration-script7:3.5.20-17.amzn2.7.14
Amazon Linux 2squid-sysvinit7:3.5.20-17.amzn2.7.14
Amazon Linux 2023squid7:5.8-1.amzn2023.0.2
Debian 11squid4.13-10+deb11u5
Debian 12squid5.7-2+deb12u5
Debian 13squid6.1-1
Debian 14squid6.1-1
Red Hat Enterprise Linux 7squid7:3.5.20-17.el7_9.10
Red Hat Enterprise Linux 7squid-debuginfo7:3.5.20-17.el7_9.10
Red Hat Enterprise Linux 7squid-migration-script7:3.5.20-17.el7_9.10
Red Hat Enterprise Linux 7squid-sysvinit7:3.5.20-17.el7_9.10
Red Hat Enterprise Linux 8libecap0:1.0.1-2.module+el8.9.0+19703+a1da7223
Red Hat Enterprise Linux 8libecap-debuginfo0:1.0.1-2.module+el8.9.0+19703+a1da7223
Red Hat Enterprise Linux 8libecap-debugsource0:1.0.1-2.module+el8.9.0+19703+a1da7223
Red Hat Enterprise Linux 8libecap-devel0:1.0.1-2.module+el8.9.0+19703+a1da7223
Red Hat Enterprise Linux 8squid7:4.15-7.module+el8.9.0+20975+25f17541.5
Red Hat Enterprise Linux 8squid-debuginfo7:4.15-7.module+el8.9.0+20975+25f17541.5
Red Hat Enterprise Linux 8squid-debugsource7:4.15-7.module+el8.9.0+20975+25f17541.5
Red Hat Enterprise Linux 9squid7:5.5-6.el9_3.5
Red Hat Enterprise Linux 9squid-debuginfo7:5.5-6.el9_3.5
Red Hat Enterprise Linux 9squid-debugsource7:5.5-6.el9_3.5
Red Hat rhel aus 8.2libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.2libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.2libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.2libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.2squid7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel aus 8.2squid-debuginfo7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel aus 8.2squid-debugsource7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel aus 8.4libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.4libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.4libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.4libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel aus 8.4squid7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel aus 8.4squid-debuginfo7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel aus 8.4squid-debugsource7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel e4s 8.2libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.2libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.2libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.2libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.2squid7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel e4s 8.2squid-debuginfo7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel e4s 8.2squid-debugsource7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel e4s 8.4libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.4libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.4libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.4libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel e4s 8.4squid7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel e4s 8.4squid-debuginfo7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel e4s 8.4squid-debugsource7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel eus 8.6libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.6libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.6libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.6libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.6squid7:4.15-3.module+el8.6.0+21069+a1561e3d.4
Red Hat rhel eus 8.6squid-debuginfo7:4.15-3.module+el8.6.0+21069+a1561e3d.4
Red Hat rhel eus 8.6squid-debugsource7:4.15-3.module+el8.6.0+21069+a1561e3d.4
Red Hat rhel eus 8.8libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.8libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.8libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.8libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel eus 8.8squid7:4.15-6.module+el8.8.0+21068+0ecbc070.3
Red Hat rhel eus 8.8squid-debuginfo7:4.15-6.module+el8.8.0+21068+0ecbc070.3
Red Hat rhel eus 8.8squid-debugsource7:4.15-6.module+el8.8.0+21068+0ecbc070.3
Red Hat rhel eus 9.0squid7:5.2-1.el9_0.4
Red Hat rhel eus 9.0squid-debuginfo7:5.2-1.el9_0.4
Red Hat rhel eus 9.0squid-debugsource7:5.2-1.el9_0.4
Red Hat rhel eus 9.2squid7:5.5-5.el9_2.3
Red Hat rhel eus 9.2squid-debuginfo7:5.5-5.el9_2.3
Red Hat rhel eus 9.2squid-debugsource7:5.5-5.el9_2.3
Red Hat rhel tus 8.2libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.2libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.2libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.2libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.2squid7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel tus 8.2squid-debuginfo7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel tus 8.2squid-debugsource7:4.4-8.module+el8.2.0+21173+22259b09.7
Red Hat rhel tus 8.4libecap0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.4libecap-debuginfo0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.4libecap-debugsource0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.4libecap-devel0:1.0.1-2.module+el8.1.0+4044+36416a77
Red Hat rhel tus 8.4squid7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel tus 8.4squid-debuginfo7:4.11-4.module+el8.4.0+21174+3894a031.6
Red Hat rhel tus 8.4squid-debugsource7:4.11-4.module+el8.4.0+21174+3894a031.6
Rocky Linux 8libecap0:1.0.1-2.module+el8.9.0+1437+df5ea8f0
Rocky Linux 8squid7:4.15-7.module+el8.9.0+1568+6d4fd5d4.1
SUSE Enterprise Storage 7.1squid4.17-150000.5.41.1
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSSsquid4.17-150000.5.41.1
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSSsquid4.17-150000.5.41.1
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOSsquid4.17-150000.5.41.1
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSSsquid4.17-150000.5.41.1
SUSE Linux Enterprise Module for Server Applications 15 SP4squid5.7-150400.3.15.1
SUSE Linux Enterprise Module for Server Applications 15 SP5squid5.7-150400.3.15.1
SUSE Linux Enterprise Server 12 SP5squid4.17-4.33.1
SUSE Linux Enterprise Server 15 SP1-LTSSsquid4.17-150000.5.41.1
SUSE Linux Enterprise Server 15 SP2-LTSSsquid4.17-150000.5.41.1
SUSE Linux Enterprise Server 15 SP3-LTSSsquid4.17-150000.5.41.1
SUSE Linux Enterprise Server for SAP Applications 12 SP5squid4.17-4.33.1
SUSE Linux Enterprise Server for SAP Applications 15 SP1squid4.17-150000.5.41.1
SUSE Linux Enterprise Server for SAP Applications 15 SP2squid4.17-150000.5.41.1
SUSE Linux Enterprise Server for SAP Applications 15 SP3squid4.17-150000.5.41.1
Ubuntu 20.04 LTSsquid4.10-1ubuntu1.8
Ubuntu 22.04 LTSsquid5.7-0ubuntu0.22.04.2
Ubuntu Pro 16.04 LTSsquid33.5.12-1ubuntu7.16+esm2
Ubuntu Pro 18.04 LTSsquid33.5.27-1ubuntu1.14+esm1
openSUSE Leap 15.4squid5.7-150400.3.15.1
openSUSE Leap 15.5squid5.7-150400.3.15.1