VulnSocial

CVE-2026-27831General

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

rldns is an open source DNS server. Version 1.3 has a heap-based out-of-bounds read that leads to denial of service. Version 1.4 contains a patch for the issue.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

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

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • General: 1 classified signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-02-26); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-02-26: 2Mentions · 2026-03-03: 1Patch / Workaround · 2026-02-26: 1Technical Details · 2026-02-26: 2Technical Details · 2026-03-03: 102-2603-03
Signal classification3 categories
General
133.3%
Patch
133.3%
Disclosure
133.3%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-02-262
General1Patch1
2026-03-031
Disclosure1
Full discourse3 posts
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-27831 (CVSS:7.5, HIGH) is Awaiting Analysis. rldns is an open source DNS server. Version 1.3 has a heap-based out-of-bounds read that leads to denial of service. Ver..https://nvd.nist.gov/vuln/detail/CVE-2026-27831 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    CVE-2026-27831 is a heap‑based out‑of‑bounds read in rldns 1.3 that can cause denial of service, currently awaiting analysis.

    0000031
    173 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-27831 rldns DNS Server Heap-Based Out-of-Bounds Read Vulnerability in Version ... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-27831 Vulnerability Notification: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=3

    Post summary

    A notification about a heap-based out-of-bounds read vulnerability in rldns DNS Server (CVE-2026-27831) with links to details, but no PoC, exploit, or patch information provided.

    0000042
    4.0K followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-27831 rldns is an open source DNS server. Version 2.3 has a heap-based out-of-bounds read that leads to denial of service. Version 1.4 contains a patch for the issue. https://www.cve.org/CVERecord?id=CVE-2026-27831

    Post summary

    CVE-2026-27831 causes a heap-based out-of-bounds read in rldns 2.3, leading to denial of service, and a patch is available in version 1.4.

    00000128
    56.6K followersView on X

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