CVE & CISA-KEV Catalog

CVE-2019-9209

MEDIUMEPSS 71th pctl
5.5
CVSS v3
NVD

Description

In Wireshark 2.4.0 to 2.4.12 and 2.6.0 to 2.6.6, the ASN.1 BER and related dissectors could crash. This was addressed in epan/dissectors/packet-ber.c by preventing a buffer overflow associated with excessive digits in time values.

CWE-193CWE-787Out-of-bounds Write

How to fix

Remediation Available
wiresharkDebian
Fixed in:2.6.7-1CVE-2019-9209
Fixed in:2.6.7-1CVE-2019-9209
Fixed in:2.6.7-1CVE-2019-9209
libwireshark-dataUbuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

libwireshark11Ubuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

libwiretap8Ubuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

libwscodecs2Ubuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

libwsutil9Ubuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

tsharkUbuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

wiresharkUbuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

wireshark-commonUbuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

wireshark-gtkUbuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

wireshark-qtUbuntu
Fixed in:2.6.8-1~ubuntu16.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2021-04-02.

Fixed in:2.6.8-1~ubuntu18.04.0USN-3986-1

This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.40%probability of exploitation in 30 days
71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-193 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-3156High7.8100%KEVFix
CVE-2003-0466Critical9.878%--
CVE-2023-44444High7.856%-Fix
CVE-2021-23017High7.753%-Fix
CVE-2023-28709High7.548%-Fix
CVE-2018-8828Critical9.830%-Fix

Common questions

How do I fix CVE-2019-9209?

Published advisories record a fix for 11 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2019-9209 being actively exploited?

Not that we know of. CVE-2019-9209 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 71% of all scored CVEs.

How severe is CVE-2019-9209?

CVE-2019-9209 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-9209 affect?

Published advisories record a fix for wireshark (Debian), libwireshark-data (Ubuntu), libwireshark11 (Ubuntu), libwiretap8 (Ubuntu), and 7 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.