CVE-2025-13945: wireshark foundation wireshark
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-13945DEBIAN-CVE-2025-13945
Published 03-12-2025Last modified 27-03-2026
Vulnerability summary
CVE-2025-13945 is a medium (CVSS 5.5) vulnerability in wireshark foundation wireshark. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.2% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 03-12-2025PublishedVulnerability first disclosed.
- 27-03-2026Last modifiedVulnerability information updated.
Description
HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.16% on 19-09-2026
19-09-202619-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (wireshark.org)
Maturity: unknown
Exploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- wireshark< 4.0.17-0+deb12u2 | < 4.4.13-0+deb13u1 | < 4.6.2-1
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark≥ 4.6.0, < 4.6.2
Wireshark foundation1 product
- wireshark≥ 4.6.0, < 4.6.1
4 vendors · 4 products
References
5 links- gitlab.com/wireshark/wireshark/-/issues/20860Issue TrackingPermissions RequiredREPORTExploitPatchThird Party Advisory