VulnSocial

CVE-2026-44050Disclosure

LOWCVSS 9.9 · CRITICAL

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 4 signals
  • Disclosure: 3 classified signals
  • Peaked at 3 mentions on most recent observed day (2026-05-21)
  • 4 total mentions across 2 days

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-05-20: 1Mentions · 2026-05-21: 3Patch / Workaround · 2026-05-20: 1Technical Details · 2026-05-20: 1Technical Details · 2026-05-21: 305-2005-21
Signal classification2 categories
Disclosure
375.0%
Patch
125.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-05-201
Patch1
2026-05-213
Disclosure3
Full discourse4 posts
  • Open Source Security mailing list@oss_security
    Patch

    netatalk 4.4.3 fixes 20 CVEs, leaves 18 for later https://www.openwall.com/lists/oss-security/2026/05/15/22 Netatalk is a file server that uses the Apple Filing Protocol. CVE summaries include one critical: CVE-2026-44050: Heap buffer overflow in CNID daemon comm_rcv() disclosed 2026/05/13, affects 2.0.0 to 4.4.2

    Post summary

    Netatalk 4.4.3 releases a patch fixing 20 CVEs, including a critical heap buffer overflow in CNID daemon, with no evidence of PoC, active exploitation, or false positive claims.

    00031405
    4.7K followersView on X
  • Upwind Security MDR@UpwindMDR
    Disclosure

    🚨Critical - Netatalk CNID Daemon Heap Buffer Overflow RCE (CVE-2026-44050) A heap-based buffer overflow in the CNID daemon's comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service. The vulnerability has Critical severity (CVSS 9.9) with high impact on confidentiality, integrity, and availability. 👉Affected: Netatalk 2.0.0 through 4.4.2

    Post summary

    This post advertises CVE-2026-44050, a critical heap‑overflow vulnerability in Netatalk’s CNID daemon that allows authenticated remote attackers to execute code or cause a denial of service, with a CVSS score of 9.9.

    0002095
    196 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-44050 A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code w… https://www.cve.org/CVERecord?id=CVE-2026-44050 ----- Traducción: CVE-2026-44050 Des… http://infoflow.cloud`

    Post summary

    The text announces CVE-2026-44050, a heap‑based buffer overflow in Netatalk’s CNID daemon that permits remote authenticated attackers to run arbitrary code. No PoC, exploit, patch info or evidence of active exploitation is included.

    0000044
    79 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-44050 A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code w… https://www.cve.org/CVERecord?id=CVE-2026-44050

    Post summary

    The text discloses a heap‑based buffer overflow in Netatalk’s CNID daemon, enabling remote authenticated code execution, with no PoC, exploit, patch, or exploitation evidence mentioned.

    00000200
    57.5K followersView on X

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