Read the docs
TI-2019-02987 Aliases CVE-2019-3982GHSA-x9jp-rc2q-gpcp

Improper input validation in Tenable Nessus

Priority LOW 32CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Nessus versions 8.6.0 and earlier were found to contain a Denial of Service vulnerability due to improper validation of specific imported scan types. An authenticated, remote attacker could potentially exploit this vulnerability to cause a Nessus scanner to become temporarily unresponsive.

Why it matters now

EPSS 0.01782 78th percentileScored 2026-11-07
Fix Fixed Tenable Nessus: 8.6.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—Tenable Nessusbefore 8.6.08.6.0Patch availableCNA
  • Tenable Nessus Vendor— Affected before 8.6.0 Fixed in 8.6.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*up to 8.6.0VulnerableTenable
  • cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* Versions up to 8.6.0 Vulnerable ·Tenable

Remediation

  • Fix · CNA Tenable Nessus Fixed in 8.6.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3982
  2. 2026-10-03 Alias added: GHSA-x9jp-rc2q-gpcp

References

Advisory 1

  • TI-2022-00687 Infinite loop in BN_mod_sqrt() reachable when parsing certificates CVSS 3.1HIGH 7.5
  • TI-2021-20962 In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the… CVSS 3.1HIGH 8.8
  • TI-2021-21076 In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. CVSS 3.1HIGH 8.1
  • TI-2021-02413 NULL pointer deref in signature_algorithms processing CVSS 3.1MEDIUM 5.9
  • TI-2021-02414 CA certificate check bypass with X509_V_FLAG_X509_STRICT CVSS 3.1HIGH 7.4
  • TI-2022-07855 Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for… CVSS 3.1CRITICAL 9.8
See all 67 →

Sources

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