CVE-2022-0582: debian debian_linux NULL Pointer Dereference
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2022-0582DEBIAN-CVE-2022-0582
Published 14-02-2022Last modified 03-11-2025
Vulnerability summary
CVE-2022-0582 is a critical (CVSS 9.8) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.99%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 14-02-2022PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources4 sources · 6.3–9.8
- CVE.orgCNA6.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.99%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.99% on 19-09-2026
19-09-202619-10-2026
EPSS score1.99%
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
Debian2 products
- wireshark< 3.6.2-1
- debian_linuxEOL9.0
Fedoraproject1 product
- fedoraEOL34 | 35
Ubuntu1 product
- wireshark< 2.6.10-1~ubuntu14.04.0~esm3 | < 2.6.10-1~ubuntu16.04.0+esm2 | < 2.6.10-1~ubuntu18.04.0+esm2 | < 3.2.3-1ubuntu0.1~esm2
Wireshark1 product
- wiresharkEOL≥ 3.4.0, < 3.4.12 | 3.6.0 | 3.6.1
Wireshark foundation1 product
- wireshark≥ 3.6.0, < 3.6.2 | ≥ 3.4.0, < 3.4.12
5 vendors · 6 products
References
13 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory