CVE-2025-59362

Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asn_build_objid in lib/snmplib/asn1.c.

CVE-2025-59362 is fixed in 9 products on 1 platform, first by squid 3.5.27-1ubuntu1.14+esm5, released September 26, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.2
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0039
33rd percentile

Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asn_build_objid in lib/snmplib/asn1.c.

Where it's fixed

ProductFixed inFixReleased
Linux
squid · Debian 11.6 (bullseye) 4.13-10+deb11u6 DLA-4369-1 Nov 11, 2025
squid · Debian 12.15 (bookworm) 5.7-2+deb12u5 DEBIAN-CVE-2025-59362 Sep 26, 2025
squid · Debian 13.5 (trixie) 6.13-2+deb13u1 DEBIAN-CVE-2025-59362 Sep 26, 2025
squid · Debian 14 7.2-1 DEBIAN-CVE-2025-59362 Sep 26, 2025
squid · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.14+esm5 squid 3.5.27-1ubuntu1.14+esm5 Sep 26, 2025
squid · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.13+esm2 squid 4.10-1ubuntu1.13+esm2 Sep 26, 2025
squid · Ubuntu 22.04.1 LTS (jammy) 5.9-0ubuntu0.22.04.3 squid 5.9-0ubuntu0.22.04.3 Sep 26, 2025
squid · Ubuntu 24.04.5 LTS (noble) 6.13-0ubuntu0.24.04.2 squid 6.13-0ubuntu0.24.04.2 Sep 26, 2025
squid · Ubuntu 25.04 (plucky) 6.13-1ubuntu1.1 squid 6.13-1ubuntu1.1 Jan 16, 2026
squid · Ubuntu 25.10 (questing) 6.13-1ubuntu4 squid 6.13-1ubuntu4 Sep 26, 2025
squid · amzn 2023 7:6.13-1.amzn2023.0.2 ALAS2023-2025-1219 Oct 14, 2025
squid · opensuse-leap 15.6 6.10-150600.3.9.1 SUSE-SU-2025:03606-1 Oct 15, 2025
squid · opensuse-leap 16.0 6.12-160000.3.1 OPENSUSE-SU-2026:20027-1 Jan 14, 2026
squid · sles 15.6 6.10-150600.3.9.1 SUSE-SU-2025:03606-1 Oct 15, 2025
squid · sles 15.7 6.10-150600.3.9.1 SUSE-SU-2025:03606-1 Oct 15, 2025
squid · sles 16.0 6.12-160000.3.1 SUSE-SU-2026:20078-1 Jan 14, 2026
squid-cgi · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.14+esm5 squid-cgi 3.5.27-1ubuntu1.14+esm5 Sep 26, 2025
squid-cgi · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.13+esm2 squid-cgi 4.10-1ubuntu1.13+esm2 Sep 26, 2025
squid-cgi · Ubuntu 22.04.1 LTS (jammy) 5.9-0ubuntu0.22.04.3 squid-cgi 5.9-0ubuntu0.22.04.3 Sep 26, 2025
squid-cgi · Ubuntu 24.04.5 LTS (noble) 6.13-0ubuntu0.24.04.2 squid-cgi 6.13-0ubuntu0.24.04.2 Sep 26, 2025
squid-cgi · Ubuntu 25.04 (plucky) 6.13-1ubuntu1.1 squid-cgi 6.13-1ubuntu1.1 Jan 16, 2026
squid-cgi · Ubuntu 25.10 (questing) 6.13-1ubuntu4 squid-cgi 6.13-1ubuntu4 Sep 26, 2025
squid-common · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.14+esm5 squid-common 3.5.27-1ubuntu1.14+esm5 Sep 26, 2025
squid-common · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.13+esm2 squid-common 4.10-1ubuntu1.13+esm2 Sep 26, 2025
squid-common · Ubuntu 22.04.1 LTS (jammy) 5.9-0ubuntu0.22.04.3 squid-common 5.9-0ubuntu0.22.04.3 Sep 26, 2025
squid-common · Ubuntu 24.04.5 LTS (noble) 6.13-0ubuntu0.24.04.2 squid-common 6.13-0ubuntu0.24.04.2 Sep 26, 2025
squid-common · Ubuntu 25.04 (plucky) 6.13-1ubuntu1.1 squid-common 6.13-1ubuntu1.1 Jan 16, 2026
squid-common · Ubuntu 25.10 (questing) 6.13-1ubuntu4 squid-common 6.13-1ubuntu4 Sep 26, 2025
squid-debuginfo · amzn 2023 7:6.13-1.amzn2023.0.2 ALAS2023-2025-1219 Oct 14, 2025
squid-debugsource · amzn 2023 7:6.13-1.amzn2023.0.2 ALAS2023-2025-1219 Oct 14, 2025
squid-openssl · Ubuntu 22.04.1 LTS (jammy) 5.9-0ubuntu0.22.04.3 squid-openssl 5.9-0ubuntu0.22.04.3 Sep 26, 2025
squid-openssl · Ubuntu 24.04.5 LTS (noble) 6.13-0ubuntu0.24.04.2 squid-openssl 6.13-0ubuntu0.24.04.2 Sep 26, 2025
squid-openssl · Ubuntu 25.04 (plucky) 6.13-1ubuntu1.1 squid-openssl 6.13-1ubuntu1.1 Jan 16, 2026
squid-openssl · Ubuntu 25.10 (questing) 6.13-1ubuntu4 squid-openssl 6.13-1ubuntu4 Sep 26, 2025
squid-purge · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.14+esm5 squid-purge 3.5.27-1ubuntu1.14+esm5 Sep 26, 2025
squid-purge · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.13+esm2 squid-purge 4.10-1ubuntu1.13+esm2 Sep 26, 2025
squid-purge · Ubuntu 22.04.1 LTS (jammy) 5.9-0ubuntu0.22.04.3 squid-purge 5.9-0ubuntu0.22.04.3 Sep 26, 2025
squid-purge · Ubuntu 24.04.5 LTS (noble) 6.13-0ubuntu0.24.04.2 squid-purge 6.13-0ubuntu0.24.04.2 Sep 26, 2025
squid-purge · Ubuntu 25.04 (plucky) 6.13-1ubuntu1.1 squid-purge 6.13-1ubuntu1.1 Jan 16, 2026
squid-purge · Ubuntu 25.10 (questing) 6.13-1ubuntu4 squid-purge 6.13-1ubuntu4 Sep 26, 2025
squid3 · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.14+esm5 squid3 3.5.27-1ubuntu1.14+esm5 Sep 26, 2025
squidclient · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.14+esm5 squidclient 3.5.27-1ubuntu1.14+esm5 Sep 26, 2025
squidclient · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.13+esm2 squidclient 4.10-1ubuntu1.13+esm2 Sep 26, 2025
squidclient · Ubuntu 22.04.1 LTS (jammy) 5.9-0ubuntu0.22.04.3 squidclient 5.9-0ubuntu0.22.04.3 Sep 26, 2025
squidclient · Ubuntu 24.04.5 LTS (noble) 6.13-0ubuntu0.24.04.2 squidclient 6.13-0ubuntu0.24.04.2 Sep 26, 2025
squidclient · Ubuntu 25.04 (plucky) 6.13-1ubuntu1.1 squidclient 6.13-1ubuntu1.1 Jan 16, 2026
squidclient · Ubuntu 25.10 (questing) 6.13-1ubuntu4 squidclient 6.13-1ubuntu4 Sep 26, 2025

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