CVE-2025-13674: wireshark foundation wireshark Access of Uninitialized Pointer
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-13674DEBIAN-CVE-2025-13674openSUSE-SU-2025:15778-1
Published 26-11-2025Last modified 27-03-2026
Vulnerability summary
CVE-2025-13674 is a medium (CVSS 5.5) Access of Uninitialized Pointer vulnerability in wireshark foundation wireshark. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.2% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.11%
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 1 · Related 1Timeline
- 26-11-2025PublishedVulnerability first disclosed.
- 27-03-2026Last modifiedVulnerability information updated.
Description
BPv7 dissector crash in Wireshark 4.6.0 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
0.11%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
0.00 pp
From 0.11% on 19-09-2026
19-09-202619-10-2026
EPSS score0.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- wireshark< 4.6.1-1
Opensuse1 product
- wireshark&distro=openSUSE Tumbleweed< 4.6.1-2.1
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark4.6.0
Wireshark foundation1 product
- wireshark4.6.0
5 vendors · 5 products
References
6 links- gitlab.com/wireshark/wireshark/-/issues/20770Issue TrackingPermissions RequiredREPORTVendor Advisory