Description
SPDY protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 – < 4.6.9, 4.4.0 – < 4.4.19 | 4.6.9 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 4.6.9-1 | — |
| Debian 13 | wireshark | 4.4.19-0+deb13u1 | — |
| Debian 12 | wireshark | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | wireshark | No fix yet | — |
| Ubuntu 26.04 LTS | wireshark | No fix yet | — |
| Ubuntu 24.04 LTS | wireshark | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 20.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 18.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 16.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 14.04 LTS | wireshark | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | wireshark +2 | 1:4.4.2-10.el10_2.8 | RHSA-2026:84721 |
| RHEL 9 | wireshark +2 | 1:3.4.10-9.el9_8.5 | RHSA-2026:83546 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | wireshark +2 | 1:4.4.2-10.el10_2.8 | ALSA-2026:84721 |
| AlmaLinux 9 | wireshark +2 | 1:3.4.10-9.el9_8.5 | ALSA-2026:83546 |
| AlmaLinux 8 | wireshark +2 | 1:2.6.2-22.el8_10 | ALSA-2026:93627 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | wireshark +2 | 1:4.4.2-10.el10_2.8 | RLSA-2026:98089, RLSA-2026:84721 |
| Rocky Linux 9 | wireshark | 1:3.4.10-9.el9_8.5 | RLSA-2026:97879, RLSA-2026:83546 |
| Rocky Linux 9 | wireshark-cli +1 | 1:3.4.10-14.el9_9 | RLSA-2026:97879 |
| Rocky Linux 8 | wireshark | 1:2.6.2-22.el8_10 | RLSA-2026:93627 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.6.9-1.1 | openSUSE-SU-2026:11912-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.6.9-1.amzn2023.0.2 | ALAS2023-2026-3252 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | wireshark | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | wireshark +2 | 1:4.4.2-10.0.1.el10_2.8 | ELSA-2026-84721 |
| Oracle Linux 9 | wireshark +2 | 1:3.4.10-9.el9_8.5 | ELSA-2026-83546 |
| Oracle Linux 8 | wireshark +2 | 1:2.6.2-22.el8_10 | ELSA-2026-93627 |
Advisories 16
- RLSA-2026:97879 Important: wireshark security update Rocky Linux Security Advisories · Nov 13, 2026
- RLSA-2026:98089 Important: wireshark security update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-3547 Wireshark: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- RLSA-2026:93627 Important: wireshark security update Rocky Linux Security Advisories · Nov 3, 2026
- ALSA-2026:93627 Important: wireshark security update AlmaLinux Security Advisories · Nov 2, 2026
- ELSA-2026-93627 Important: wireshark security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 2, 2026
- ALSA-2026:83546 Important: wireshark security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:84721 Important: wireshark security update AlmaLinux Security Advisories · Oct 29, 2026
- ALAS2023-2026-3252 Important: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 26, 2026
- RLSA-2026:84721 Important: wireshark security update Rocky Linux Security Advisories · Oct 20, 2026
- RHSA-2026:84721 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:83546 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- ELSA-2026-84721 Important: wireshark security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Oct 19, 2026
- RLSA-2026:83546 Important: wireshark security update Rocky Linux Security Advisories · Oct 16, 2026
- ELSA-2026-83546 Important: wireshark security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 15, 2026
- openSUSE-SU-2026:11912-1 libwireshark19-4.6.9-1.1 on GA media SUSE / openSUSE Security Updates · Sep 29, 2026