CVE-2026-96420
published 2026-09-29CVE-2026-96420: Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
PriorityP417medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
0.12%
1.6th percentile
Toshiba file parser crash in 4.6.0 to 4.6.8 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 < 4.4.19 | 4.4.19 |
| wireshark | wireshark | >= 4.6.0 < 4.6.9 | 4.6.9 |
| wireshark_foundation | wireshark | >= 4.4.0 < 4.4.19 | 4.4.19 |
| wireshark_foundation | wireshark | >= 4.6.0 < 4.6.9 | 4.6.9 |
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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Red Hat
wireshark: Buffer Over-read in Wireshark
vendor_redhat·2026-09-29·CVSS 4.7
CVE-2026-96420 [MEDIUM] CWE-125 wireshark: Buffer Over-read in Wireshark
wireshark: Buffer Over-read in Wireshark
A flaw was found in Wireshark. An attacker could exploit this vulnerability by enticing a user to open a specially crafted Toshiba capture file, triggering a buffer over-read in the Toshiba file parser. This issue causes the application to crash, leading to a Denial of Service (DoS).
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Package: wireshark (Red Hat Enterprise Linux 10) - Fix deferred
Package: wireshark (Red Hat Enterprise Linux 6) - Not affected
Package: wireshark (Red Hat Enterprise Linux 7) - Not affected
Package: wireshark (Red Hat Ent
GitLab
Buffer Over-read in Wireshark
vendor_gitlab·2026-09-29·CVSS 4.7
CVE-2026-96420 [MEDIUM] CWE-126 Buffer Over-read in Wireshark
Buffer Over-read in Wireshark
Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Affected products: Wireshark
Affected versions: >=4.6.0, =4.4.0, <4.4.19 (affected)
Solution: Upgrade to version 4.6.9 or above
Credit: Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)
VulDB
Wireshark up to 4.4.18/4.6.8 File Parser resource consumption (Nessus ID 362908)
vuldb·2026-10-05·CVSS 4.7
CVE-2026-96420 [MEDIUM] Wireshark up to 4.4.18/4.6.8 File Parser resource consumption (Nessus ID 362908)
A vulnerability classified as problematic was found in Wireshark up to 4.4.18/4.6.8. Affected is an unknown function of the component File Parser. Such manipulation leads to resource consumption.
This vulnerability is listed as CVE-2026-96420. The attack must be carried out locally. There is no available exploit.
Upgrading the affected component is advised.
GHSA
Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
ghsa_unreviewed·2026-09-29
CVE-2026-96420 [MEDIUM] CWE-126 Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-96420 wireshark: Buffer Over-read in Wireshark
bugzilla·2026-09-29·CVSS 4.7
CVE-2026-96420 [MEDIUM] CVE-2026-96420 wireshark: Buffer Over-read in Wireshark
CVE-2026-96420 wireshark: Buffer Over-read in Wireshark
Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Bugzilla
CVE-2026-96420 wireshark: Buffer Over-read in Wireshark [fedora-all]
bugzilla·2026-09-29·CVSS 4.7
CVE-2026-96420 [MEDIUM] CVE-2026-96420 wireshark: Buffer Over-read in Wireshark [fedora-all]
CVE-2026-96420 wireshark: Buffer Over-read in Wireshark [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.
Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
2026-09-29
Published