CVE-2006-6490: Multiple buffer overflows in the SupportSoft (1) SmartIssue (tgctlsi.dll) and (2) ScriptRunner (tgctlsr.dll) A

This week

HIGH 10.0MITIGATEMITIGATEMITIGATE

CVE-2006-6490 is a high-severity flaw (CVSS 10.0) affecting scriptrunner, smartissue, automated support assistant. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in the SupportSoft (1) SmartIssue (tgctlsi.dll) and (2) ScriptRunner (tgctlsr.dll) ActiveX controls, as used by Symantec Automated Support Assistant and Norton AntiVirus, Internet Security, and System Works 2006, allows remote attackers to execute arbitrary code via a crafted HTML message.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	10.4% (top 4%)
CISA exploited list	No
Published	2007-02-22
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: supportsoft · symantec

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-02-22 21:28 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

supportsoft scriptrunner MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy scriptrunner || rpm -q scriptrunner || scriptrunner --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

supportsoft smartissue MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smartissue || rpm -q smartissue || smartissue --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

symantec automated support assistant MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy automated-support-assistant || rpm -q automated-support-assistant || automated-support-assistant --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

symantec norton antivirus DOWNGRADE

Affected: 2006

Fixed in: no fixed release known

Safe to downgrade to: a release before 2006

1. Check installed version

apt-cache policy norton-antivirus || rpm -q norton-antivirus || norton-antivirus --version

2. No fixed release: DOWNGRADE to a release before 2006 (Debian / Ubuntu)

apt-cache madison norton-antivirus sudo apt install norton-antivirus=<VERSION_BEFORE_2006> sudo apt-mark hold norton-antivirus

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list norton-antivirus sudo dnf downgrade norton-antivirus-<VERSION_BEFORE_2006> sudo dnf versionlock add norton-antivirus

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

symantec norton internet security DOWNGRADE

Affected: 2006

Fixed in: no fixed release known

Safe to downgrade to: a release before 2006

1. Check installed version

apt-cache policy norton-internet-security || rpm -q norton-internet-security || norton-internet-security --version

2. No fixed release: DOWNGRADE to a release before 2006 (Debian / Ubuntu)

apt-cache madison norton-internet-security sudo apt install norton-internet-security=<VERSION_BEFORE_2006> sudo apt-mark hold norton-internet-security

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list norton-internet-security sudo dnf downgrade norton-internet-security-<VERSION_BEFORE_2006> sudo dnf versionlock add norton-internet-security

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

symantec norton system works DOWNGRADE

Affected: 2006

Fixed in: no fixed release known

Safe to downgrade to: a release before 2006

1. Check installed version

apt-cache policy norton-system-works || rpm -q norton-system-works || norton-system-works --version

2. No fixed release: DOWNGRADE to a release before 2006 (Debian / Ubuntu)

apt-cache madison norton-system-works sudo apt install norton-system-works=<VERSION_BEFORE_2006> sudo apt-mark hold norton-system-works

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list norton-system-works sudo dnf downgrade norton-system-works-<VERSION_BEFORE_2006> sudo dnf versionlock add norton-system-works

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-6490?

scriptrunner: mitigate or apply the listed mitigation; smartissue: mitigate or apply the listed mitigation; automated support assistant: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-6490 being exploited?

CVE-2006-6490 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-6490 affect?

CVE-2006-6490 affects scriptrunner, smartissue, automated support assistant. Severity is high (CVSS 10.0). Multiple buffer overflows in the SupportSoft (1) SmartIssue (tgctlsi.dll) and (2) ScriptRunner (tgctlsr.dll) ActiveX controls, as used by Symantec Automated Support Assistant and Norton AntiVirus, Internet Security, and System Works 2006, a

How urgent is CVE-2006-6490?

Priority 59/100. Critical severity; EPSS top 4%: very likely to be exploited

Software pages

Symantec and Broadcom vulnerabilities

References

← Back to latest CVEs