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CVE-2017-2991

33
FAUCET Score

CVE-2017-2991 is a critical memory corruption vulnerability in Adobe Flash Player versions 24.0.0.194 and earlier, specifically within the h264 codec's decompression process, affecting products from Adobe, Apple, Google, Linux, and Microsoft. This vulnerability has a CVSS score of 8.8 (HIGH), indicating that an unauthenticated attacker could achieve arbitrary code execution with low attack complexity, requiring user interaction. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability received some media coverage and community discussion at the time of its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
<= 24.0.0.194CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
<= 24.0.0.194CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
<= 24.0.0.194CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*
<= 24.0.0.194CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.67%
Probability of exploitation in next 30 days
EPSS Percentile
94.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0867 is in the 94th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

adobepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: flash-plugin-0:24.0.0.221-1.el6_8
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: flash-plugin

Vendor Advisories (1)

redhatCVE-2017-2991Critical

flash-plugin: multiple code execution issues fixed in APSB17-04

Feb 14, 2017

References

rhn.redhat.com / errata/RHSA-2017-0275.html
Third Party Advisory
helpx.adobe.com / security/products/flash-player/apsb17-04.html
PatchVendor Advisory
security.gentoo.org / glsa/201702-20
Third Party Advisory
securityfocus.com / bid/96190
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id/1037815
Broken LinkThird Party AdvisoryVDB Entry