CVE-2026-18938 P11-kit: integer overflow in rpc attribute-array length calculation can under-allocate nested attribute storage on 32 bit systems
| Reporter | Title | Published | Views | Family All 40 |
|---|---|---|---|---|
 | CVE-2026-18938 | 7 Aug 202608:19 | – | attackerkb |
 | CVE-2026-18938 affecting package p11-kit for versions less than 0.26.5-1 | 20 Aug 202618:41 | – | cbl_mariner |
 | CVE-2026-18938 | 7 Aug 202608:19 | – | cve |
 | CVE-2026-18938 | 7 Aug 202608:19 | – | debiancve |
 | EUVD-2026-54413 | 7 Aug 202608:19 | – | euvd |
 | [SECURITY] Fedora 44 Update: p11-kit-0.26.5-1.fc44 | 8 Aug 202601:37 | – | fedora |
| [SECURITY] Fedora 43 Update: p11-kit-0.26.5-1.fc43 | 11 Aug 202601:14 | – | fedora |
 | Fedora 44 : p11-kit (2026-110c1a7742) | 8 Aug 202600:00 | – | nessus |
| Fedora 43 : p11-kit (2026-e281fdcb69) | 11 Aug 202600:00 | – | nessus |
| openSUSE 16: libp11-kit0 / p11-kit / p11-kit-devel / p11-kit-nss-trust / etc (openSUSE-SU-2026:22105-1) | 19 Oct 202600:00 | – | nessus |
10
[
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 10",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "p11-kit",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 6",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "p11-kit",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "p11-kit",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "p11-kit",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:8"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "p11-kit",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:9"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "p11-kit",
"defaultStatus": "affected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "rhcos",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:openshift:4"
]
}
]| Source | Link |
|---|---|
| access | www.access.redhat.com/security/cve/CVE-2026-18938 |
| bugzilla | www.bugzilla.redhat.com/show_bug.cgi |
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
07 Aug 2026 08:19Current
CVSS 3.16.2
EPSS0.00107
SSVC