Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal
CVSS score
3.7
EPSS probability
%0.6
Risk score
0.0
Published
4 mo ago
Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.
Impact on My Inventory
Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.
Checking session…
Vulnerability description
DayBreach CVE AI Research
CVE-2026-5419 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-5419 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | redhat | gnutls | View |
| 2 | Red Hat | Red Hat Enterprise Linux 10 | View |
| 3 | Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | View |
| 4 | Red Hat | Red Hat Enterprise Linux 9 | View |
| 5 | Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | View |
| 6 | Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | View |
| 7 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.17 | View |
| 8 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.17 | View |
| 9 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.17 | View |
| 10 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.17 | View |
| 11 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.18 | View |
| 12 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.18 | View |
| 13 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.18 | View |
| 14 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.18 | View |
| 15 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.18 | View |
| 16 | Red Hat | Cert Manager support for Red Hat OpenShift release 1.20 | View |
| 17 | Red Hat | Red Hat Discovery 2 | View |
| 18 | Red Hat | Red Hat Discovery 2 | View |
| 19 | Red Hat | Red Hat Hardened Images | View |
| 20 | Red Hat | Red Hat OpenShift AI 3.4 | View |
| 21 | Red Hat | Red Hat Update Infrastructure 5 | View |
| 22 | Red Hat | Red Hat Update Infrastructure 5 | View |
| 23 | Red Hat | Red Hat Update Infrastructure 5 | View |
| 24 | Red Hat | Red Hat Update Infrastructure 5 | View |
| 25 | Red Hat | Red Hat Update Infrastructure 5 | View |
| 26 | Red Hat | Red Hat Update Infrastructure 5 | View |
| 27 | Red Hat | Red Hat Update Infrastructure 5 | View |
| 28 | Red Hat | Red Hat Enterprise Linux 6 | View |
| 29 | Red Hat | Red Hat Enterprise Linux 7 | View |
| 30 | Red Hat | Red Hat Enterprise Linux 8 | View |
| 31 | Red Hat | Red Hat OpenShift Container Platform 4 | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 3.7 | CVSS V31 | LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N | NVD |
| 3.7 | CVSS V3_1 | LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N | CVE CNA |
| 3.7 | CVSS 3.x | — | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N | Microsoft MSRC |
Patch and Remediation Guide
Solution & Remediation Advisory
1 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.
Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-5419 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-5419 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-5419"