9.8

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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.99%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 6 · Related 4

Timeline

  1. 14-02-2022
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last 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 versions

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 score
1.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Fedoraproject1 product
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
Show all 13 references