CVE-2026-19720: Inetutils · talkd buffer overflow with long DNS names
Affects inetutilsSource GCVE Database
Not known to be exploited.
Data as of 26 Oct 2026, 16:19 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 17 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10inetutilspkg:deb/ubuntu/inetutils?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSinetutilspkg:deb/ubuntu/inetutils?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSinetutilspkg:deb/ubuntu/inetutils?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTSinetutilspkg:deb/ubuntu/inetutils?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSinetutilspkg:deb/ubuntu/inetutils?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSinetutilspkg:deb/ubuntu/inetutils?arch=source&distro=esm-apps/bionicOther 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
No official fixes or patches are referenced in the provided data. Users should monitor vendor communications for updates and apply patches once available.
Description
CVE-2026-19720 is a buffer overflow vulnerability in the talkd component of inetutils triggered by long DNS names. This flaw could potentially lead to memory corruption when processing overly long DNS names in talkd. The vulnerability affects multiple specific versions of inetutils. No CVSS score is provided, but the severity is assessed as medium based on available information.