CVE-2021-22222: debian debian_linux Infinite Loop
CVSS: 7.5v3.1HighModified
AliasesMGASA-2021-0279UBUNTU-CVE-2021-22222DEBIAN-CVE-2021-22222
Published 07-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-22222 is a high (CVSS 7.5) Infinite Loop vulnerability in debian debian_linux. EPSS estimates a 1.91% chance of exploitation in the next 30 days, higher than 79.5% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
1.91%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 07-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Infinite loop in DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5 allows denial of service via packet injection or crafted capture file
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.91%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.91% on 19-09-2026
19-09-202619-10-2026
EPSS score1.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle3 products
- enterprise_manager_ops_center12.4.0.0
- instantis_enterprisetrack17.1 | 17.2 | 17.3
- zfs_storage_appliance_kit8.8
Debian2 products
- wireshark< 3.4.7-1
- debian_linuxEOL10.0 | 11.0
Mageia1 product
- wireshark< 3.4.6-1.mga8
The wireshark foundation1 product
- wireshark≥ 3.4.0, < 3.4.6
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark≥ 3.4.0, ≤ 3.4.5
6 vendors · 9 products
References
15 links- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.jsonX Refsource CONFIRMREPORTThird Party Advisory
