CVE-2023-0668: debian debian_linux Out-of-bounds Read
Vulnerability summary
CVE-2023-0668 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 2.26% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 07-06-2023PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
Due to failure in validating the length provided by an attacker-crafted IEEE-C37.118 packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.26%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.26% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (takeonme.org)
Maturity: unknown
Exploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- wireshark< 4.0.6-1~deb12u1 | < 4.0.6-1
- debian_linux12.0
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark≥ 3.6.0, < 3.6.14 | ≥ 4.0.0, < 4.0.6
Wireshark foundation1 product
- wireshark≥ 4.0.0, ≤ 4.0.5 | ≥ 3.6.0, ≤ 3.6.13
4 vendors · 5 products
References
10 links- www.wireshark.org/docs/relnotes/wireshark-4.0.6.htmlRelease Notes
www.debian.org/security/2023/dsa-5429Third Party Advisory- security.gentoo.org/glsa/202309-02Third Party Advisory