Alpine: multiple libass packages: security update to 0.13.3-r0

high Tenable Cloud Security Plugin ID 400955

Description

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

- The wrap_lines_smart function in ass_render.c in libass before 0.13.4 allows remote attackers to cause a
denial of service (out-of-bounds read) via unspecified vectors, related to "0/3 line wrapping
equalization." (CVE-2016-7969)

- Buffer overflow in the calc_coeff function in libass/ass_blur.c in libass before 0.13.4 allows remote
attackers to cause a denial of service via unspecified vectors. (CVE-2016-7970)

- The check_allocations function in libass/ass_shaper.c in libass before 0.13.4 allows remote attackers to
cause a denial of service (memory allocation failure) via unspecified vectors. (CVE-2016-7972)

Plugin Details

Severity: High

ID: 400955

Version: Revision 1.25

Type: Local

Family: Alpine Linux Local Security Checks

Published: 8/16/2023

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2016-7972

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 12/20/2016

Vulnerability Publication Date: 10/4/2016

Reference Information

CVE: CVE-2016-7969, CVE-2016-7970, CVE-2016-7972

BID: 93358

Detections

Analytics