CVE-2026-3979Disclosure

LOWCVSS 1.9 · LOW

Signal is active with 3 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

A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function js_iterator_concat_return of the file quickjs.c. This manipulation causes use after free. The attack requires local access. The exploit has been published and may be used. Patch name: daab4ad4bae4ef071ed0294618d6244e92def4cd. Applying a patch is the recommended action to fix this issue.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-119CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-12: 3Technical Details · 2026-03-12: 203-12
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • CVEarity@CVEarity
    General

    ⚡ New CVE Alert: CVE-2026-3979 📊 Severity: 5.3 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-3979 #CVE-2026-3979 #CVE #Medium  #CyberSecurity #InfoSec https://t.co/x7dH1G2DD3

    Post summary

    CVE-2026-3979 is newly reported with a medium severity score, but the post lacks details on exploitation, patches, or technical specifics.

    0000028
    96 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-3979 A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function js_iterator_concat_return of the file quickjs.c. This manipulation causes use after … https://www.cve.org/CVERecord?id=CVE-2026-3979

    Post summary

    The post reports the discovery of a flaw in quickjs-ng quickjs 0.12.1 affecting js_iterator_concat_return, providing technical details but no PoC, exploit, or patch information.

    0000099
    56.7K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-3979 - quickjs-ng quickjs quickjs.c js_iterator_concat_return use after free Intel Report: https://ift.tt/NkegsOW

    Post summary

    The alert reports the new CVE-2026-3979, specifying a use-after-free flaw in the quickjs component, but does not provide any PoC, exploit code, or patch details.

    0000081
    342 followersView on X

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