CVE-2025-47911Disclosure(go / html)

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch go html systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.

0.5/ 10 priority

Sources & remediation

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.

  • html

Threat summary

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

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 4 signals
  • Disclosure: 3 classified signals
  • Peaked 3d ago at 2 mentions (2026-02-05); latest day: 1
  • 5 total mentions across 4 days

Affected systems

Vendors
Products
html

Deep dive

Activity timeline5 mentions / 4d
01122Mentions · 2026-02-05: 2Mentions · 2026-02-13: 1Mentions · 2026-03-08: 1Mentions · 2026-06-16: 1Patch / Workaround · 2026-03-08: 1Patch / Workaround · 2026-06-16: 1Technical Details · 2026-02-05: 2Technical Details · 2026-02-13: 1Technical Details · 2026-06-16: 102-0502-1303-0806-16
Signal classification2 categories
Disclosure
360.0%
Patch
240.0%
Referenced assets7 URLs
Classification over time
DateTotalLabels
2026-02-052
Disclosure2
2026-02-131
Disclosure1
2026-03-081
Patch1
2026-06-161
Patch1
Full discourse5 posts
  • CVE@CVEnew
    Disclosure

    CVE-2025-47911 The html.Parse function in http://golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an atta… https://www.cve.org/CVERecord?id=CVE-2025-47911

    Post summary

    The post describes a DoS vulnerability in Go's html.Parse due to quadratic parsing complexity but provides no PoC, exploit, or patch.

    00010317
    56.5K followersView on X
  • ThreatCluster@threatcluster
    Patch

    SUSE released fixes for kubevirt 1.6 and 1.7 addressing CVE-2025-47911, CVE-2025-47913 and CVE-2025-47914 privilege escalation and denial-of-service bugs in embedded Go components, Linuxsecurity reported. https://threatcluster.io/cluster/critical-vulnerabilities-in-suse-kubevirt-and-opensuse-trivy-ce749196

    Post summary

    SUSE released patches for kubevirt 1.6/1.7 to address privilege escalation and denial‑of‑service bugs (CVE‑2025‑47911, 47913, 47914). No evidence of active exploitation is reported.

    0000061
    349 followersView on X
  • Ferramentas Linux@Cezar_H_Linux
    Patch

    Heads-up, #openSUSE devs! 🐧 A new security advisory (2026:0074-1) is out for gitea-tea, bumping it to v0.12.0. It's a moderate-severity fix for two CVEs (CVE-2025-47911, CVE-2025-58190) but also packs a punch with new features. Read more: 👉https://tinyurl.com/mwbaz9ee #Security https://t.co/s70kW6Wyvz

    Post summary

    The tweet announces an openSUSE security advisory for gitea‑tea, noting a patch to v0.12.0 that resolves CVE‑2025‑47911 and CVE‑2025‑58190, thereby providing a moderate‑severity fix.

    00000128
    1.3K followersView on X
  • cvereports@_cvereports
    Disclosure

    CVE-2025-47911: Death by a Thousand Tags: The Quadratic HTML DoS in Go In the world of safe memory languages, we often forget that algorithmic complexity is a vulnerability class of its own. CVE-2025-47911 serves as a stark reminder: you don't need a ... https://cvereports.com/reports/CVE-2025-47911

    Post summary

    The post announces a new DoS vulnerability in Go’s HTML parsing (CVE‑2025‑47911) highlighting algorithmic complexity as the root cause, without offering PoC, exploit, or patch details.

    0000025
    27 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2025-47911 Quadratic Complexity Denial of Service in http://golang.org/x/net/html P... https://vulmon.com/vulnerabilitydetails?qid=CVE-2025-47911 Customizable Vulnerability Alerts: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=4

    Post summary

    The tweet announces CVE‑2025‑47911 as a quadratic‑complexity DoS vulnerability in golang.org/x/net/html, providing no PoC, exploit, or patch information.

    0000062
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appgohtml-go-

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