CVE-2026-96418: Wireshark · Infinite Loop
Affects WiresharkSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium : upgrade to 4.6.9 or 4.4.19 when convenient.
Data as of 11 Nov 2026, 23:25 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.6.9, 4.4.19
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade Wireshark and wireshark/wireshark to 4.6.9 or 4.4.19.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Wireshark FoundationWireshark | Affected
| Fixed in
|
| Wireshark FoundationWireshark | Affected
| Fixed in
|
GitHubwireshark/wiresharkpkg:github/wireshark/wiresharkOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, avoid processing untrusted TIFF data with affected Wireshark versions.
Description
CVE-2026-96418 is a medium severity vulnerability in Wireshark affecting versions 4.4.0 through 4.4.18 and 4.6.0 through 4.6.8. It involves an infinite loop in the TIFF protocol dissector that can cause a denial of service. The flaw arises from a loop with an unreachable exit condition, leading to resource exhaustion when processing crafted TIFF data. No confidentiality or integrity impact is reported. No known exploits are currently in the wild.