Detections
Analytics

Alpine: libx11: security update to 1.6.3-r1

critical Tenable Cloud Security Plugin ID 405391

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via
 vectors involving image type and geometry, which triggers out-of-bounds read operations. (CVE-2016-7942)

 - The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via
 vectors involving length fields, which trigger out-of-bounds write operations. (CVE-2016-7943)

See Also

https://security.alpinelinux.org/vuln/CVE-2016-7942

https://security.alpinelinux.org/vuln/CVE-2016-7943

Plugin Details

Severity: Critical

ID: 405391

Version: Revision 1.25

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2016-7943

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/4/2016

Reference Information

CVE: CVE-2016-7942, CVE-2016-7943

BID: 93362, 93363