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CVE-2019-20503

Medium
Low Medium High Critical
6.5
CVSS Score
Published: Mar 06, 2020
Last Modified: Nov 21, 2024

Vulnerability Description

usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.

CVSS Metrics

Common Vulnerability Scoring System

Vector String:

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
N
Attack Complexity
L
Privileges Required
N
User Interaction
R
Scope
U
Confidentiality
N
Integrity
N
Availability
H

Known Affected Software

6 configuration(s) from 2 vendor(s)

ubuntu_linux
Version:
16.04
CPE:
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:*:*:*:*
ubuntu_linux
Version:
18.04
CPE:
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*
ubuntu_linux
Version:
19.10
CPE:
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
debian_linux
Version:
8.0
CPE:
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian_linux
Version:
10.0
CPE:
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debian_linux
Version:
9.0
CPE:
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
This vulnerability affects 6 software configuration(s). Ensure you patch all affected systems.

Available Security Patches

1 patch available from vendors

View All Patches
Microsoft

2024-Jun-CVE-2019-20503

CVE-2019-20503: None

Severity
Unknown
Released
Oct 22, 2025
Security Update

References & Resources

Severity Details

6.5
out of 10.0
Medium

Weakness Type (CWE)

CWE-125 Top 25 #11

Out-of-bounds Read

Description
The product reads data past the end, or before the beginning, of the intended buffer.
Typical Severity
High
Abstraction Level
Base

Key Information

Published Date
March 06, 2020