CVE-2023-6174: debian debian_linux Out-of-bounds Read
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-6174DEBIAN-CVE-2023-6174
Published 16-11-2023Last modified 27-03-2026
Vulnerability summary
CVE-2023-6174 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 53.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
0.75%
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 4 · Related 2Timeline
- 16-11-2023PublishedVulnerability first disclosed.
- 27-03-2026Last modifiedVulnerability information updated.
Description
SSH dissector crash in Wireshark 4.0.0 to 4.0.10 allows denial of service via packet injection or crafted capture file
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSources4 sources · 6.3–6.5
- CVE.orgCNA6.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:LDiffers
- 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
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.75% on 18-09-2026
18-09-202618-10-2026
EPSS score0.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
Affected systems
Debian2 products
- wireshark< 4.0.11-1~deb12u1 | < 4.0.11-1
- debian_linux12.0
Ubuntu1 product
- wireshark< 4.2.2-1.1build3 | < 4.4.5-1
Wireshark1 product
- wireshark≥ 4.0.0, ≤ 4.0.10
Wireshark foundation1 product
- wireshark≥ 4.0.0, < 4.0.11
4 vendors · 5 products
References
10 links
www.debian.org/security/2023/dsa-5559X Transferred- security.gentoo.org/glsa/202402-09X Transferred
- lists.fedoraproject.org/archives/…X Transferred
- lists.fedoraproject.org/archives/…X Transferred
