CVE-2013-2602: Multiple array index errors in the MyHeritage SEQueryObject ActiveX control (SearchEngineQuery.dll) 1.0.2.0 al

This month

HIGH 9.3DOWNGRADE

CVE-2013-2602 is a high-severity flaw (CVSS 9.3) affecting sequeryobject activex control. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple array index errors in the MyHeritage SEQueryObject ActiveX control (SearchEngineQuery.dll) 1.0.2.0 allow remote attackers to execute arbitrary code via the (1) seTokensArray, or (2) seTokensValuesArray parameter to the AddTokens method; (3) seLastNameTokensArray parameter to the AddLastNameTokens method; (4) seFrameIdArray, (5) seSourceIdArray, (6) seHasBreakdownArray, (7) seIsIndexedArray, (8) seAllConcatArray, (9) seRefererURLArray, or

Why this priority

Critical severity

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	3.6% (top 10%)
CISA exploited list	No
Published	2014-06-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: myheritage

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

Am I affected?

Timeline

2014-06-06 14:55 UTCPublished CVE record published
2026-06-16 23:53 UTCUpdated Record last modified

myheritage sequeryobject activex control DOWNGRADE

Affected: 1.0.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.2.0

1. Check installed version

apt-cache policy sequeryobject-activex-control || rpm -q sequeryobject-activex-control || sequeryobject-activex-control --version

2. No fixed release: DOWNGRADE to a release before 1.0.2.0 (Debian / Ubuntu)

apt-cache madison sequeryobject-activex-control sudo apt install sequeryobject-activex-control=<VERSION_BEFORE_1.0.2.0> sudo apt-mark hold sequeryobject-activex-control

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

dnf --showduplicates list sequeryobject-activex-control sudo dnf downgrade sequeryobject-activex-control-<VERSION_BEFORE_1.0.2.0> sudo dnf versionlock add sequeryobject-activex-control

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-2013-2602?

sequeryobject activex control: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-2602 being exploited?

CVE-2013-2602 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-2013-2602 affect?

CVE-2013-2602 affects sequeryobject activex control. Severity is high (CVSS 9.3). Multiple array index errors in the MyHeritage SEQueryObject ActiveX control (SearchEngineQuery.dll) 1.0.2.0 allow remote attackers to execute arbitrary code via the (1) seTokensArray, or (2) seTokensValuesArray parameter to the AddTokens me

How urgent is CVE-2013-2602?

Priority 55/100. Critical severity

References

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