CVE-2020-26213

Denial of Service in teler

HIGH
7.5
CVSS Score
Published: November 6, 2020 at 04:45 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
2 products affected across 2 vendorsTelerProject Teler

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

In teler before version 0.0.1, if you run teler inside a Docker container and encounter `errors.Exit` function, it will cause denial-of-service (`SIGSEGV`) because it doesn't get process ID and process group ID of teler properly to kills. The issue is patched in teler 0.0.1 and 0.0.1-dev5.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.0.1
Affected range stops below 0.0.1, so it looks safe — our inference, not a vendor statement
v < 0.0.1
Affected range stops below 0.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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