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TI-2019-02977 Aliases CVE-2019-3972GHSA-r5cr-x7vg-hh88

Out-of-bounds read in Comodo Antivirus

Priority LOW 25CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

Comodo Antivirus versions 12.0.0.6810 and below are vulnerable to Denial of Service affecting CmdAgent.exe via an unprotected section object "<GUID>_CisSharedMemBuff". This section object is exposed by CmdAgent and contains a SharedMemoryDictionary object, which allows a low privileged process to modify the object data causing CmdAgent.exe to crash.

Why it matters now

EPSS 0.00387 33rd 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

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Comodo Antivirusup to 12.0.0.6810—No fix listedCNA
  • Comodo Antivirus Vendor— Affected up to 12.0.0.6810 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:comodo:antivirus:*:*:*:*:*:*:*:*up to 12.0.0.6810VulnerableComodo
  • cpe:2.3:a:comodo:antivirus:*:*:*:*:*:*:*:* Versions up to 12.0.0.6810 Vulnerable ·Comodo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3972
  2. 2026-10-03 Alias added: GHSA-r5cr-x7vg-hh88

References

Exploit 1

  • TI-2022-14995 Comodo Antivirus 12.2.2.8012 has a quarantine flaw that allows privilege escalation. CVSS 3.1HIGH 7.8
  • TI-2019-02974 Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to Local Privilege Escalation… CVSS 3.0HIGH 7.8
  • TI-2019-10625 Comodo Antivirus through 12.0.0.6870, Comodo Firewall through 12.0.0.6870, and Comodo… CVSS 3.0HIGH 7.1
  • TI-2019-02978 Out-of-bounds write in Comodo Antivirus CVSS 3.0MEDIUM 5.5
  • TI-2019-02976 Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to a local Denial of Service… CVSS 3.0MEDIUM 5.5
  • TI-2019-02975 Exposure of resource to wrong sphere in Comodo Antivirus CVSS 3.0MEDIUM 5.5
See all 7 →

Sources

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