---
title: "CVE-2014-0497: Adobe Flash Player Integer Underflow Vulnerablity"
url: https://erroneo.us/security/cve/CVE-2014-0497/
description: "CVE-2014-0497 (Adobe Flash Player): Exploited in the wild (CISA KEV). Integer underflow in Adobe Flash Player before 11.7.700.261 and 11.8.x through 12.0.x…"
type: vulnerability-record
section: "Security Digest"
date_published: 2014-02-05
date_modified: 2025-10-22
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2014-0497"
kev: true
cvss: 8.8
epss: 0.99879
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2014-0497: Adobe Flash Player Integer Underflow Vulnerablity

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run Adobe Flash Player. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2024-09-17, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2024-10-08 ; treat that as the outer limit, not the target.
- EPSS 99.9% , percentile 100.0: FIRST’s model estimates a 99.9% chance of exploitation activity in the next 30 days, higher than 100.0% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Needs a user to click or open something. Phishing makes that realistic, but it is not wormable.

## What it is

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.

## Affected products (CVE record)

- n/a n/a: see advisory

## Severity

- CISA-ADP CVSS 3.1: 8.8 `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

## Exploitation

- CISA KEV: added 2024-09-17; federal due date 2024-10-08. Known ransomware use: Unknown.
- CISA required action: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
- CISA SSVC assessment: exploitation active , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 99.88% probability of exploitation activity in the next 30 days; percentile 100.0.

## Sources

- [SUSE-SU-2014:0221](http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00006.html)
- [RHSA-2014:0137](http://rhn.redhat.com/errata/RHSA-2014-0137.html)
- [openSUSE-SU-2014:0203](http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00001.html)
- [openSUSE-SU-2014:0197](http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00000.html)
- [Listed in CISA KEV notes (adobe.com)](https://www.adobe.com/products/flashplayer/end-of-life-alternative.html#eol-alternative-faq)
- [CVE.org record CVE-2014-0497](https://www.cve.org/CVERecord?id=CVE-2014-0497)
- [NVD entry CVE-2014-0497](https://nvd.nist.gov/vuln/detail/CVE-2014-0497)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-0497)
- [33212](http://www.exploit-db.com/exploits/33212)
- [helpx.adobe.com](http://helpx.adobe.com/security/products/flash-player/apsb14-04.html)
- [googlechromereleases.blogspot.com](http://googlechromereleases.blogspot.com/2014/02/stable-channel-update.html)
- [102849](http://www.osvdb.org/102849)
- [65327](http://www.securityfocus.com/bid/65327)
- [56799](http://secunia.com/advisories/56799)
- [1029715](http://www.securitytracker.com/id/1029715)
- [56737](http://secunia.com/advisories/56737)
- [56437](http://secunia.com/advisories/56437)
- [56780](http://secunia.com/advisories/56780)
- [56839](http://secunia.com/advisories/56839)
- [adobe-flash-cve20140497-code-exec(90884)](https://exchange.xforce.ibmcloud.com/vulnerabilities/90884)

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Source page: https://erroneo.us/security/cve/CVE-2014-0497/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt