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oisf / suricata CVEs

Beta · best-effort

65 CVEs tagged to oisf / suricata4 Critical, 46 High, 13 Medium, 2 Low, 0 Unrated.

CVE-2026-31937

Published Apr 2, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to version 7.0.15, inefficiency in DCERPC buffering can lead to a performance degradation. This issue has been patched in vers…

CVSS 7.5 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-31935

Published Apr 2, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in…

CVSS 7.5 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-31934

Published Apr 2, 2026

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages o…

CVSS 7.5 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-31933

Published Apr 2, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. Th…

CVSS 7.5 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-31932

Published Apr 2, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, inefficiency in KRB5 buffering can lead to performance degradation. This issue has been patched…

CVSS 7.5 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-31931

Published Apr 2, 2026

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference.…

CVSS 7.5 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-22264

Published Jan 27, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to version 8.0.3 and 7.0.14, an unsigned integer overflow can lead to a heap use-after-free condition when generating excessiv…

CVSS 7.4 · High
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2026-22263

Published Jan 27, 2026

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, inefficiency in http1 headers parsing can lead to slowdown over multiple packe…

CVSS 5.3 · Medium
evidence mentions
3
Buzz score
23.9
Vendor/product tagsBeta · best-effort

CVE-2026-22262

Published Jan 27, 2026

Suricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. Prior to versions 8.0.3 and 7.0.14, if the data in the dataset is…

CVSS 5.9 · Medium
evidence mentions
8
Buzz score
32.0
Vendor/product tagsBeta · best-effort

CVE-2026-22261

Published Jan 27, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, various inefficiencies in xff handling, especially for alerts not triggered in a tx, can lead to…

CVSS 3.7 · Low
evidence mentions
4
Buzz score
26.1
Vendor/product tagsBeta · best-effort

CVE-2026-22260

Published Jan 27, 2026

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, Suricata can crash with a stack overflow. Version 8.0.3 patches the issue. As…

CVSS 7.5 · High
evidence mentions
3
Buzz score
23.9
Vendor/product tagsBeta · best-effort

CVE-2026-22259

Published Jan 27, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DN…

CVSS 7.5 · High
evidence mentions
4
Buzz score
26.1
Vendor/product tagsBeta · best-effort

CVE-2026-22258

Published Jan 27, 2026

Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, crafted DCERPC traffic can cause Suricata to expand a buffer w/o limits, leading to memory exhau…

CVSS 7.5 · High
evidence mentions
4
Buzz score
26.1
Vendor/product tagsBeta · best-effort

CVE-2025-64344

Published Nov 26, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, working…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-64335

Published Nov 26, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NU…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-64334

Published Nov 26, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, comp…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-64333

Published Nov 26, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, a large…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-64332

Published Nov 26, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, a stack…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-64331

Published Nov 26, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, a stack…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-64330

Published Nov 26, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Prior to versions 7.0.13 and 8.0.2, a single…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-59150

Published Oct 1, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Version 8.0.0's usage of the tls.subjectaltn…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-59149

Published Oct 1, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In version 8.0.0, rules using keyword ldap.r…

CVSS 6.2 · Medium
Vendor/product tagsBeta · best-effort

CVE-2025-59148

Published Oct 1, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Versions 8.0.0 and below incorrectly handle…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-59147

Published Oct 1, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. Versions 7.0.11 and below, as well as 8.0.0,…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2025-53538

Published Jul 22, 2025

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions 7.0.10 and below and 8.0.0-beta…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort
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