VulnSocial

CVE-2026-48748Patch(netty / netty)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch netty netty systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Netty is a network application framework for development of protocol servers and clients. Starting in version 4.2.0.Final and prior to version 4.2.15.Final, a memory exhaustion vulnerability in the Netty HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error. Version 4.2.15.Final patches the issue.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-770

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

  • netty

Threat summary

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

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-06-14); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
netty
Products
netty

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-14: 1Mentions · 2026-06-15: 1Patch / Workaround · 2026-06-14: 1Technical Details · 2026-06-14: 1Technical Details · 2026-06-15: 106-1406-15
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-06-141
Patch1
2026-06-151
Disclosure1
Full discourse2 posts
  • DailyCVE@dailycve
    Disclosure

    🔴 Netty (HTTP/3 codec), Allocation of Resources Without Limits or Throttling, #CVE-2026-48748 (High) -DC-Jun2026-451 https://dailycve.com/netty-http-3-codec-allocation-of-resources-without-limits-or-throttling-cve-2026-48748-high-dc-jun2026-451/

    Post summary

    The text announces a new pre‑release CVE (CVE‑2026‑48748) for Netty's HTTP/3 codec that allows unlimited resource allocation, classified as high severity, with no evidence of exploitation, PoC, or patch yet.

    0000036
    212 followersView on X
  • Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters
    Patch

    #CVE-2026-48748 - DoS in Netty HTTP/3 codec. Memory exhaustion from infinite blocked streams. #CVSS 7.5. Update to http://4.2.15.Final immediately. #infosec #Netty #cyebrsecurity #100daysofcybersecurity #cybersecuritynews More detailed information: https://www.valtersit.com/cve/CVE-2026-48748

    Post summary

    The tweet alerts to a DoS vulnerability in Netty’s HTTP/3 codec (CVE‑2026‑48748, CVSS 7.5) and urges users to apply the immediate patch by upgrading to version 4.2.15.Final.

    0000043
    929 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appnettynetty---

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