Echo: curl: security update to 1:8.14.1-2+deb13u3+e2

high Tenable Cloud Security Plugin ID 457295

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Using libcurl, when a custom `Host:` header is first set for an HTTP request and a second request is
subsequently done using the same *easy handle* but without the custom `Host:` header set, the second
request would use stale information and pass on cookies meant for the first host in the second request.
Leak them. (CVE-2026-6276)

Solution

Update the curl library and its related packages to version 1:8.14.1-2+deb13u3+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-6276

Plugin Details

Severity: High

ID: 457295

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.75

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-6276

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/30/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-6276

IAVA: 2026-A-0397-S