7.5

CVE-2023-4512: wireshark foundation wireshark Uncontrolled Recursion

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-4512DEBIAN-CVE-2023-4512
Published 24-08-2023Last modified 27-03-2026
Open JSON

Vulnerability summary

CVE-2023-4512 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in wireshark foundation wireshark. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.51%
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 5 · Related 2
DLA-3906-1DSA-5559-1MGASA-2023-0275OPENSUSE-SU-2024:13184-1SUSE-SU-2023:3778-1

Timeline

  1. 24-08-2023
    PublishedVulnerability first disclosed.
  2. 27-03-2026
    Last modifiedVulnerability information updated.

Description

CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.51% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.51%

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

Debian1 product
  • wireshark< 4.0.11-1~deb12u1 | < 4.0.8-1
Ubuntu1 product
  • wireshark< 4.2.2-1.1build3 | < 4.4.5-1
Wireshark1 product
Wireshark foundation1 product

4 vendors · 4 products

References

9 links