CVE-2026-5260

high

Published 2026-05-26 · Modified 2026-05-26

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CVSS v3

8.2

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.2

Description

RHSA-2026:20612: gnutls security update (Important)

Predictions

Exploit likelihood

88%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API

Description gnutls: gnutls: Information disclosure via heap overread in RSA key exchange CVSS v3: 8.2 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Enterprise Linux 10gnutls-0:3.8.10-4.el10_2RHSA-2026:206132026-05-26T00:00:00Z Red Hat Enterprise Linux 8gnutls-0:3.6.16-8.el8_10.6RHSA-2026:206112026-05-26T00:00:00Z Red Hat Enterprise…

Description

gnutls: gnutls: Information disclosure via heap overread in RSA key exchange

CVSS v3: 8.2 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H)

Errata / fixed releases

Product	Package	Advisory	Released
Red Hat Enterprise Linux 10	`gnutls-0:3.8.10-4.el10_2`	RHSA-2026:20613	2026-05-26T00:00:00Z
Red Hat Enterprise Linux 8	`gnutls-0:3.6.16-8.el8_10.6`	RHSA-2026:20611	2026-05-26T00:00:00Z
Red Hat Enterprise Linux 8	`gnutls-0:3.6.16-8.el8_10.6`	RHSA-2026:20611	2026-05-26T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 6	`gnutls`	Out of support scope
Red Hat Enterprise Linux 7	`gnutls`	Affected
Red Hat Enterprise Linux 9	`gnutls`	Affected
Red Hat Hardened Images	`gnutls`	Affected
Red Hat OpenShift Container Platform 4	`rhcos`	Affected

Apply commands

bash fix

Apply RHSA-2026:20613 for Red Hat Enterprise Linux 10

yum update -y gnutls
# or:
dnf upgrade -y gnutls

Affected

Vendor	Product	Version
redhat	Red Hat Enterprise Linux 7	`Affected`
redhat	Red Hat Enterprise Linux 9	`Affected`
redhat	Red Hat Hardened Images	`Affected`
redhat	Red Hat OpenShift Container Platform 4	`Affected`

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Windows Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`3.8.9-3+deb13u4`
sid	Fixed	`3.8.13-1`
forky	Fixed	`3.8.13-1`
bullseye	Fixed	`3.7.1-5+deb11u10`
bookworm	Fixed	`3.7.9-2+deb12u7`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

References

CWEs

CWE-1284

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.