CVE-2026-5419

LOW
INFO Priority: 0.02 BB Relevance: 58/100
Published: 2026-06-01 Modified: 2026-11-06 First seen: 2026-11-03 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: Low
I: None
A: None

Description

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.

Affected Software (2)

VendorProductVersion
— — 0
— — 0

References & Advisories (21)

https://access.redhat.com/errata/RHSA-2026:13274
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20612
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20613
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26319
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26409
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:29197
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30004
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:32962
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58981
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72502
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74674
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82304
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82322
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82347
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82354
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82372
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82857
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82888
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2467686
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

58 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

3.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploitation Probability

0.54%
Raw Score 0.005430
Percentile 46.2%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00543
2026-11-13
0.00543
2026-11-12
0.00543
2026-11-10
0.00543
2026-11-09
0.00543
2026-11-08
0.00543
2026-11-07
0.00543
2026-11-06
0.00543
2026-11-05
0.00543
2026-11-04
0.00543
2026-11-03
0.00543

Intelligence Sources

mitre ref →
nvd ref →