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TI-2020-04939 Aliases CVE-2020-6072GHSA-jqrj-pmvg-62w8

Double free in Videolabs

Priority MEDIUM 55CWE-415Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.

Summary

An exploitable code execution vulnerability exists in the label-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the rr_decode function's return value is not checked, leading to a double free that could be exploited to execute arbitrary code. An attacker can send an mDNS message to trigger this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03799 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—VideolabsVideolabs libmircodns 0.1.0—No fix listedCNA
  • Videolabs Vendor— Affected Videolabs libmircodns 0.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:videolabs:libmicrodns:0.1.0:*:*:*:*:*:*:*0.1.0VulnerableVideolabs
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:videolabs:libmicrodns:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Videolabs
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Videolabs — GLSA-202005-10

    7 records Highest priority Priority MEDIUM 6 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2020-04946 Memory leak in VideolabsPriority MEDIUM 45
    • TI-2020-04945 An exploitable denial-of-service vulnerability exists in the message-parsing…Priority MEDIUM 45
    • TI-2020-04944 Out-of-bounds read in VideolabsPriority MEDIUM 44
    Show all 7 records → Advisory →
  • Advisory ·

    Videolabs — DSA-4671

    7 records Highest priority Priority MEDIUM 6 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2020-04946 Memory leak in VideolabsPriority MEDIUM 45
    • TI-2020-04945 An exploitable denial-of-service vulnerability exists in the message-parsing…Priority MEDIUM 45
    • TI-2020-04944 Out-of-bounds read in VideolabsPriority MEDIUM 44
    Show all 7 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-6072
  2. 2026-10-03 Alias added: GHSA-jqrj-pmvg-62w8
  3. 2026-10-08 CISA SSVC decision points changed
  4. 2026-10-31 EPSS moved to the 90th–95th percentile

References

Exploit 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences