CVE-2026-15169: wireshark foundation wireshark Heap-based Buffer Overflow
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-15169DEBIAN-CVE-2026-15169
Published 08-07-2026Last modified 09-07-2026
Vulnerability summary
CVE-2026-15169 is a high (CVSS 7.5) Heap-based Buffer Overflow vulnerability in wireshark foundation wireshark. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.29%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 9 · Related 8Timeline
- 08-07-2026PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources4 sources · 5.5–7.5
- CVE.orgCNA5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
+0.07 pp
From 0.22% on 20-09-2026
20-09-202620-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- wiresharkAll versions (No fix recorded) | < 4.4.18-0+deb13u1 | < 4.6.9-1
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark≥ 4.4.0, < 4.4.17 | ≥ 4.6.0, < 4.6.7
Wireshark foundation1 product
- wireshark≥ 4.6.0, < 4.6.7 | ≥ 4.4.0, < 4.4.17
4 vendors · 4 products
References
5 links- www.wireshark.org/security/wnpa-sec-2026-59.htmlVendor Advisory