VulnSocial

CVE-2026-34933Disclosure(avahi / avahi)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. Prior to version 0.9-rc4, any unprivileged local user can crash avahi-daemon by sending a single D-Bus method call with conflicting publish flags. This issue has been patched in version 0.9-rc4.

avahi CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Patch / fix
Exploit / PoC references
Weakness type (CWE)
CWE-617

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • avahi

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
avahi
Products
avahi

1 version affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-11: 1Technical Details · 2026-04-11: 104-11
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Open Source Security mailing list@oss_security
    Disclosure

    CVE-2026-34933: Avahi: Reachable assertion in transport_flags_from_domain https://www.openwall.com/lists/oss-security/2026/04/11/9 In versions up to and including 0.8 and 0.9-rc3, any unprivileged local user can crash avahi-daemon by sending a single D-Bus method call with conflicting publish flags

    Post summary

    The note announces CVE-2026-34933, describing a reachable assertion that lets local users crash avahi-daemon via a D‑Bus call.

    00030483
    4.6K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
Appavahiavahi---
Appavahiavahi0.9--
Appavahiavahi0.9--
Appavahiavahi0.9--

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