CVE-2021-22235: debian debian_linux Infinite Loop
CVSS: 7.5v3.1HighModified
AliasesMGASA-2021-0364SUSE-SU-2021:3017-1UBUNTU-CVE-2021-22235DEBIAN-CVE-2021-22235openSUSE-SU-2021:1276-1openSUSE-SU-2021:3017-1
Published 20-07-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-22235 is a high (CVSS 7.5) Infinite Loop vulnerability in debian debian_linux. EPSS estimates a 3.43% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
3.43%
0%100%
Low · +0.13 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 20-07-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Crash in DNP dissector in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 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
3.43%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
+0.13 pp
From 3.30% on 18-09-2026
18-09-202618-10-2026
EPSS score3.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Suse4 products
- wireshark&distro=SUSE Linux Enterprise Module for Basesystem 15 SP2< 3.4.7-3.59.1
- wireshark&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 3.4.7-3.59.1
- wireshark&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP2< 3.4.7-3.59.1
- wireshark&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP3< 3.4.7-3.59.1
Debian2 products
- wireshark< 3.4.7-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Opensuse2 products
- wireshark&distro=openSUSE Leap 15.2< 3.4.7-lp152.2.18.1
- wireshark&distro=openSUSE Leap 15.3< 3.4.7-3.59.1
Mageia1 product
- wireshark< 3.4.7-1.mga8
The wireshark foundation1 product
- wireshark≥ 3.4.0, < 3.4.7 | ≥ 3.2.0, < 3.2.15
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark≥ 3.2.0, < 3.2.15 | ≥ 3.4.0, < 3.4.7
7 vendors · 12 products
References
21 links- www.wireshark.org/security/wnpa-sec-2021-05.htmlVendor Advisory
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22235.jsonThird Party Advisory
Show all 21 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory
