CVE-2026-22263
highpriority · track · 0EPSS 0.004 · 39 %ileDEEURUUSEPSS · scored 2026-10-27
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 packets. Version 8.0.3 patches the issue. No known workarounds are available.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedlibsuricata8_0_3-0:8.0.3-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedlibsuricata8_0_3-0:8.0.3-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedlibsuricata8_0_3-0:8.0.3-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedlibsuricata8_0_3-0:8.0.3-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-0:8.0.3-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-0:8.0.3-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-0:8.0.3-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-0:8.0.3-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-devel-0:8.0.3-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-devel-0:8.0.3-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-devel-0:8.0.3-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedsuricata-devel-0:8.0.3-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- openSUSE-SU-2026:10082-1libsuricata8_0_3-8.0.3-1.1 on GA media2026-01-22csaf · suse_csafDE
libsuricata8_0_3-8.0.3-1.1 on GA media
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428cnnvd
- https://github.com/OISF/suricata/releasesPatchcnnvd
- https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7cnnvd
- https://redmine.openinfosecfoundation.org/issues/8201cnnvd
- https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428enisa_euvd
- https://github.com/OISF/suricata/security/advisories/GHSA-rwc5-hxj6-hwx7enisa_euvd
- https://redmine.openinfosecfoundation.org/issues/8201enisa_euvd
- https://github.com/OISF/suricata/commit/018a377f74e3eb2b042c6f783ad9043060923428Patchnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan