CVE-2019-20503
MEDIUM
6.5
CVSS Score
Published: March 6, 2020 at 12:00 AM UTC
Updated: June 17, 2026 at 02:30 AM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxUsrsctp
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 3%
Description
usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%v < 0.9.4.0
Affected range stops below 0.9.4.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html
- https://access.redhat.com/errata/RHSA-2020:0815
References (38)
Vendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.htmlVendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.htmlVendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.htmlVendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.htmlMailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/May/49Mailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/May/52Mailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/May/55Mailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/May/59CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card