Vulnerability record

CVE-2014-0497

Adobe Flash Player Integer Underflow Vulnerablity

CriticalExploitation confirmedCISA KEV

What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Flash Player, fix it now.

CISA required action: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

US federal civilian agencies must remediate by Oct 8, 2024.

Patch status

Official fix available since Sep 30, 2026

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Patch or advisory on helpx.adobe.com (opens in a new tab)

Description

Integer underflow in Adobe Flash Player before 11.7.700.261 and 11.8.x through 12.0.x before 12.0.0.44 on Windows and Mac OS X, and before 11.2.202.336 on Linux, allows remote attackers to execute arbitrary code via unspecified vectors.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
Product	Vendor	Affected versions	Fixed in	Source
Chrome	Google	< 32.0.1700.107	32.0.1700.107	NVD
Flash Player	Adobe	< 11.2.202.336; < 11.7.700.261; >= 11.8.800.94, < 12.0.0.44	11.2.202.336; 11.7.700.261; 12.0.0.44	KEV

Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

CVSS scoredUpdateKEVSep 30, 2026
CVE-2014-0497 scored CVSS 9.8: Adobe Flash Player, Adobe Flash Player Integer Underflow Vulnerablity
CISA lists this as exploited in the wild. Unpatched Flash Player systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
Patch releasedUpdateKEVSep 30, 2026
Patch released for CVE-2014-0497: Adobe Flash Player, Adobe Flash Player Integer Underflow Vulnerablity
An official fix is now available for Adobe Flash Player. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

adobe.com https://www.adobe.com/products/flashplayer/end-of-life-alternative.html#eol-alternative-faq
nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2014-0497
googlechromereleases.blogspot.com http://googlechromereleases.blogspot.com/2014/02/stable-channel-update.html
helpx.adobe.com http://helpx.adobe.com/security/products/flash-player/apsb14-04.html
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00000.html
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00001.html
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00006.html
rhn.redhat.com http://rhn.redhat.com/errata/RHSA-2014-0137.html
secunia.com http://secunia.com/advisories/56437
secunia.com http://secunia.com/advisories/56737
secunia.com http://secunia.com/advisories/56780
secunia.com http://secunia.com/advisories/56799
secunia.com http://secunia.com/advisories/56839
exploit-db.com http://www.exploit-db.com/exploits/33212
osvdb.org http://www.osvdb.org/102849
securityfocus.com http://www.securityfocus.com/bid/65327
securitytracker.com http://www.securitytracker.com/id/1029715
exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/90884
cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0497