DEBIAN-CVE-2021-39923

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Source
https://security-tracker.debian.org/tracker/CVE-2021-39923
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39923.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-39923
Upstream
Published
2021-11-19T17:15:08.457Z
Modified
2025-11-14T04:04:22.594994Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

References

Affected packages

Debian:11 / wireshark

Package

Name
wireshark
Purl
pkg:deb/debian/wireshark?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.10-0+deb11u1

Affected versions

3.*

3.4.4-1
3.4.6-1~exp1
3.4.7-1~exp1
3.4.7-1
3.4.8-1
3.4.9-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39923.json"

Debian:12 / wireshark

Package

Name
wireshark
Purl
pkg:deb/debian/wireshark?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39923.json"

Debian:13 / wireshark

Package

Name
wireshark
Purl
pkg:deb/debian/wireshark?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39923.json"

Debian:14 / wireshark

Package

Name
wireshark
Purl
pkg:deb/debian/wireshark?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-39923.json"