CVE-2026-76889
published 2026-08-19CVE-2026-76889: UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
PriorityP417medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
0.13%
2.2th percentile
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| gitlab | wireshark | — | — |
| wireshark | wireshark | — | — |
| wireshark | wireshark | >= 4.4.0 < 4.4.18 | 4.4.18 |
| wireshark | wireshark | >= 4.6.0 < 4.6.8 | 4.6.8 |
| wireshark_foundation | wireshark | >= 4.4.0 < 4.4.18 | 4.4.18 |
| wireshark_foundation | wireshark | >= 4.6.0 < 4.6.8 | 4.6.8 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vendor_redhat4.7MEDIUM
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GHSA
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
ghsa_unreviewed·2026-08-20
CVE-2026-76889 [MEDIUM] CWE-122 UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
VulDB
Wireshark up to 4.4.17/4.6.7 UMTS FP protocol dissector denial of service
vuldb·2026-08-20·CVSS 4.7
CVE-2026-76889 [MEDIUM] Wireshark up to 4.4.17/4.6.7 UMTS FP protocol dissector denial of service
A vulnerability marked as problematic has been reported in Wireshark up to 4.4.17/4.6.7. This affects an unknown part of the component UMTS FP protocol dissector. The manipulation leads to denial of service.
This vulnerability is listed as CVE-2026-76889. The attack must be carried out locally. There is no available exploit.
It is suggested to upgrade the affected component.
GitLab
Heap-based Buffer Overflow in Wireshark
vendor_gitlab·2026-08-19·CVSS 4.7
CVE-2026-76889 [MEDIUM] CWE-122 Heap-based Buffer Overflow in Wireshark
Heap-based Buffer Overflow in Wireshark
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Affected products: Wireshark
Affected versions: >=4.6.0, =4.4.0, <4.4.18 (affected)
Solution: Upgrade to version 4.6.8 or above
Credit: Jaime Cavero
Red Hat
wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash
vendor_redhat·2026-08-19·CVSS 4.7
CVE-2026-76889 [MEDIUM] CWE-617 wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash
wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
A flaw was found in Wireshark. A local attacker could exploit a crash in the UMTS FP protocol dissector. This vulnerability, which requires user interaction, leads to a denial of service, making the application unavailable.
Statement: A flaw was found in the UMTS FP dissector in Wireshark versions 4.4.0 through 4.4.17 and 4.6.0 through 4.6.7. Red Hat Enterprise Linux 6, 7, 8, and 9 ship Wireshark versions prior to the affected range and are not vulnerable. Red Hat Enterprise Linux 10 and Red Hat In-Vehicle OS ship an affected version of Wireshark.
Mitigation: Do not open untrusted packet capture files or capture tra
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-76889 wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash [fedora-all]
bugzilla·2026-08-21·CVSS 4.7
CVE-2026-76889 [MEDIUM] CVE-2026-76889 wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash [fedora-all]
CVE-2026-76889 wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Discussion:
Fixed in the current version of wireshark. Closing.
Bugzilla
CVE-2026-76889 wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash
bugzilla·2026-08-19·CVSS 4.7
CVE-2026-76889 [MEDIUM] CVE-2026-76889 wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash
CVE-2026-76889 wireshark: Wireshark: Denial of Service via UMTS FP protocol dissector crash
UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
2026-08-19
Published