Squid
squidcounted 2026-10-07 03:22 UTC
As of 2026-10-07, 10 933 hosts ran Squid with at least one known CVE on a service open at their latest check, across 78 versions with CVEs; 117 distinct CVEs.
Known CVEs on hosts running it
10 933hosts with known CVEs
117distinct CVEs
78versions with CVEs
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.
Not counted: 8 895 hosts with CVEs of it only from an older observation (software reported earlier, no service of that kind open now).
Versions with known CVEs
| Version | Hosts with CVEs | CVEs |
|---|---|---|
| 3.5.20 | 3 228 | 61 |
| 4.15 | 1 901 | 24 |
| 5.5 | 1 737 | 26 |
| 3.1.23 | 860 | 61 |
| 6.14 | 661 | 7 |
| 4.14 | 415 | 32 |
| 4.10 | 413 | 40 |
| 5.9 | 357 | 23 |
| 6.13 | 251 | 7 |
| 7.2 | 234 | 5 |
| 3.5.8 | 154 | 72 |
| 5.7 | 98 | 23 |
| 6.10 | 61 | 7 |
| 3.3.8 | 55 | 79 |
| 3.1.9 | 50 | 79 |
| 6.6 | 48 | 10 |
| 2.7 | 44 | 52 |
| 4.6 | 38 | 59 |
| 3.5.27 | 37 | 61 |
| 4.13 | 35 | 33 |
| 3.1.10 | 28 | 80 |
| 6.12 | 25 | 7 |
| 3.5.12 | 15 | 72 |
| 3.0 | 14 | 76 |
| 5.2 | 13 | 26 |
| 6.7 | 13 | 10 |
| 7.3 | 12 | 5 |
| 6.3 | 10 | 21 |
| 7.1 | 8 | 7 |
| 2.6 | 8 | 52 |
| 3.5.23 | 7 | 59 |
| 6.5 | 7 | 12 |
| 2.7.stable9 | 6 | 40 |
| 3.5.28 | 6 | 59 |
| 7.5 | 6 | 2 |
| 2.3 | 5 | 49 |
| 2.5 | 5 | 50 |
| 3.5.9 | 5 | 72 |
| 0.9.8 | 4 | 38 |
| 4.11 | 4 | 38 |
| 7.4 | 4 | 5 |
| 3.4.8 | 3 | 76 |
| 5.8 | 3 | 23 |
| 6.1 | 3 | 21 |
| 3.2.9 | 3 | 79 |
| 3.5.19 | 3 | 61 |
| 4.4 | 3 | 59 |
| 6.8 | 3 | 9 |
| 3.1.22 | 2 | 70 |
| 3.4.1 | 2 | 78 |
28 more versions
| 3.5.25 | 2 hosts |
| 4.17 | 2 hosts |
| 5.6 | 2 hosts |
| 3.1.16 | 1 hosts |
| 2.4 | 1 hosts |
| 2.6.stable18 | 1 hosts |
| 2.6.stable21 | 1 hosts |
| 2.6.stable24 | 1 hosts |
| 2.7.stable7 | 1 hosts |
| 3.1.18 | 1 hosts |
| 3.1.19 | 1 hosts |
| 3.1.20 | 1 hosts |
| 3.1.6 | 1 hosts |
| 3.2.11 | 1 hosts |
| 3.3.13 | 1 hosts |
| 3.5.1 | 1 hosts |
| 3.5.16 | 1 hosts |
| 3.5.22 | 1 hosts |
| 3.5.26 | 1 hosts |
| 3.5.7 | 1 hosts |
| 4.0.20 | 1 hosts |
| 4.16 | 1 hosts |
| 4.7 | 1 hosts |
| 4.8 | 1 hosts |
| 4.9 | 1 hosts |
| 5.3 | 1 hosts |
| 6.0.0 | 1 hosts |
| 6.9 | 1 hosts |
2 more versions were seen only in older observations.
Most common CVEs
| CVE | Hosts |
|---|---|
| CVE-2026-33526 CRITICAL 9.2 | 10 932 |
| CVE-2026-32748 HIGH 8.7 | 10 932 |
| CVE-2026-33515 MEDIUM 6.9 | 10 932 |
| CVE-2025-62168 HIGH 7.5 | 10 682 |
| CVE-2025-59362 MEDIUM 4.0 | 10 682 |
| CVE-2026-47729 MEDIUM 6.5 | 10 035 |
| CVE-2026-50012 MEDIUM 5.5 | 10 035 |
| CVE-2025-54574 CRITICAL 9.8 | 9 604 |
| CVE-2023-49285 HIGH 7.5 | 9 604 |
| CVE-2023-49286 HIGH 7.5 | 9 604 |
| CVE-2023-5824 HIGH 7.5 | 9 604 |
| CVE-2024-45802 HIGH 7.5 | 9 599 |
| CVE-2024-37894 MEDIUM 6.3 | 9 599 |
| CVE-2023-46728 HIGH 7.5 | 9 591 |
| CVE-2023-46846 MEDIUM 5.3 | 9 589 |
| CVE-2023-50269 HIGH 7.5 | 9 571 |
| CVE-2024-25617 HIGH 7.5 | 9 527 |
| CVE-2022-41318 HIGH 8.6 | 9 122 |
| CVE-2021-46784 MEDIUM 6.5 | 9 053 |
| CVE-2023-46847 HIGH 7.5 | 8 568 |
| CVE-2023-46724 HIGH 7.5 | 8 564 |
| CVE-2023-49288 HIGH 7.5 | 8 489 |
| CVE-2021-31806 MEDIUM 6.5 | 5 475 |
| CVE-2021-31808 MEDIUM 6.5 | 5 475 |
| CVE-2021-33620 MEDIUM 6.5 | 5 475 |
| CVE-2021-28116 MEDIUM 5.3 | 5 475 |
| CVE-2021-28651 HIGH 7.5 | 5 471 |
| CVE-2021-28652 MEDIUM 4.9 | 5 471 |
| CVE-2021-31807 MEDIUM 6.5 | 5 450 |
| CVE-2024-25111 HIGH 7.5 | 5 152 |
| CVE-2020-25097 HIGH 8.6 | 5 056 |
| CVE-2020-15810 MEDIUM 6.5 | 5 025 |
| CVE-2020-15811 MEDIUM 6.5 | 5 025 |
| CVE-2020-15049 HIGH 8.8 | 4 997 |
| CVE-2020-24606 HIGH 7.5 | 4 948 |
| CVE-2019-12519 CRITICAL 9.8 | 4 944 |
| CVE-2020-11945 CRITICAL 9.8 | 4 944 |
| CVE-2020-14058 HIGH 7.5 | 4 934 |
| CVE-2019-12528 HIGH 7.5 | 4 608 |
| CVE-2020-8449 HIGH 7.5 | 4 608 |
| CVE-2020-8517 HIGH 7.5 | 4 608 |
| CVE-2020-8450 HIGH 7.3 | 4 608 |
| CVE-2019-18860 MEDIUM 6.1 | 4 607 |
| CVE-2019-12524 CRITICAL 9.8 | 4 606 |
| CVE-2019-12520 HIGH 7.5 | 4 606 |
| CVE-2019-13345 MEDIUM 6.1 | 4 606 |
| CVE-2019-12522 MEDIUM 4.5 | 4 606 |
| CVE-2019-18679 HIGH 7.5 | 4 596 |
| CVE-2019-18677 MEDIUM 6.1 | 4 596 |
| CVE-2018-1000027 HIGH 7.5 | 4 564 |
| CVE-2018-19131 MEDIUM 6.1 | 4 564 |
| CVE-2018-19132 MEDIUM 5.9 | 4 564 |
| CVE-2019-12529 MEDIUM 5.9 | 4 551 |
| CVE-2019-12526 CRITICAL 9.8 | 4 530 |
| CVE-2019-12523 CRITICAL 9.1 | 4 530 |
| CVE-2019-18676 HIGH 7.5 | 4 530 |
| CVE-2019-18678 MEDIUM 5.3 | 4 530 |
| CVE-2019-12521 MEDIUM 5.9 | 4 529 |
| CVE-2022-41317 MEDIUM 6.5 | 4 525 |
| CVE-2018-1000024 HIGH 7.5 | 4 481 |
| CVE-2016-10002 HIGH 7.5 | 4 368 |
| CVE-2019-12525 CRITICAL 9.8 | 3 511 |
| CVE-2016-10003 HIGH 7.5 | 3 409 |
| CVE-2024-23638 MEDIUM 6.5 | 2 232 |
| CVE-2023-46848 HIGH 7.5 | 2 225 |
| CVE-2016-4553 HIGH 8.6 | 1 278 |
| CVE-2016-4554 HIGH 8.6 | 1 278 |
| CVE-2016-3947 HIGH 8.2 | 1 277 |
| CVE-2016-2390 MEDIUM 5.9 | 1 277 |
| CVE-2015-5400 MEDIUM 6.8 | 1 102 |
| CVE-2021-28662 MEDIUM 6.5 | 912 |
| CVE-2016-4051 HIGH 8.8 | 404 |
| CVE-2016-4052 HIGH 8.1 | 341 |
| CVE-2016-4054 HIGH 8.1 | 341 |
| CVE-2016-4555 HIGH 7.5 | 341 |
| CVE-2016-4556 HIGH 7.5 | 341 |
| CVE-2016-4053 LOW 3.7 | 341 |
| CVE-2016-3948 HIGH 7.5 | 334 |
| CVE-2011-4096 MEDIUM 5.0 | 170 |
| CVE-2016-2569 HIGH 7.5 | 159 |
| CVE-2016-2570 HIGH 7.5 | 159 |
| CVE-2016-2571 HIGH 7.5 | 159 |
| CVE-2014-6270 MEDIUM 6.8 | 154 |
| CVE-2014-7141 MEDIUM 6.4 | 146 |
| CVE-2014-7142 MEDIUM 6.4 | 146 |
| CVE-2014-0128 MEDIUM 5.0 | 140 |
| CVE-2014-3609 MEDIUM 5.0 | 140 |
| CVE-2012-5643 MEDIUM 5.0 | 109 |
| CVE-2015-0881 MEDIUM 4.3 | 91 |
| CVE-2013-0189 MEDIUM 5.0 | 81 |
| CVE-2011-3205 MEDIUM 6.8 | 79 |
| CVE-2010-0639 MEDIUM 5.0 | 77 |
| CVE-2010-0308 MEDIUM 4.0 | 77 |
| CVE-2015-3455 LOW 2.6 | 66 |
| CVE-2012-2213 MEDIUM 5.0 | 50 |
| CVE-2009-2855 MEDIUM 5.0 | 44 |
| CVE-2019-12854 HIGH 7.5 | 43 |
| CVE-2019-12527 HIGH 8.8 | 42 |
| CVE-2018-1172 MEDIUM 5.9 | 37 |
| CVE-2004-0832 MEDIUM 5.0 | 15 |
Hosts: matches on services open at each host's latest check, over every version.