NVD / CVE Program· CNA adobe

CVE-2009-4324: Use-after-free vulnerability in the Doc.media.newPlayer method in Multimedia.api in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before…

HighCVSS 7.8 · v3.1KEVWeaponized Fix available

Noroxi assessment

Priority: Now (action score 86/100)

CISA has confirmed exploitation in the wild (Jun 8, 2022). Remediation deadline for US federal agencies: Jun 22, 2022.
A ready-made attack module is public (Metasploit); exploiting it takes no special expertise.
Probability of exploitation in the next 30 days: 81.8% (FIRST EPSS); higher than 99.6% of all records.
Someone with local access to the system can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
Fixed version: acroread-uninstall (Red Hat:rhel_extras:3) 0:9.3-3; acroread (Red Hat:rhel_extras:4) 0:9.3-1.el4; acroread-plugin (Red Hat:rhel_extras:4) 0:9.3-1.el4.

Patch today or shut off access. Upgrade to acroread-uninstall (Red Hat:rhel_extras:3) 0:9.3-3; acroread (Red Hat:rhel_extras:4) 0:9.3-1.el4; acroread-plugin (Red Hat:rhel_extras:4) 0:9.3-1.el4 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

Use-after-free vulnerability in the Doc.media.newPlayer method in Multimedia.api in Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, allows remote attackers to execute arbitrary code via a crafted PDF file using ZLib compressed streams, as exploited in the wild in December 2009.

Published: Dec 14, 2009
Updated: Jun 16, 2026
EPSS: 81.8% · 99th percentile
CWE: CWE-416

Report tools

JSON

Action score

Now

Patch today or shut off access.

CVSS: 31 / 40 · 7.8 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 25 / 30 · 81.8%

CISA SSVC decision

Exploitation: active
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Jun 8, 2022. That signals real attacks, not theory.

Remediation deadline for US federal agencies: Jun 22, 2022.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
adobe	acrobat	cpe:2.3:a:adobe:acrobat
adobe	acrobat reader	cpe:2.3:a:adobe:acrobat_reader
apple	mac os x	cpe:2.3:o:apple:mac_os_x
microsoft	windows	cpe:2.3:o:microsoft:windows
suse	linux enterprise debuginfo	cpe:2.3:a:suse:linux_enterprise_debuginfo
opensuse	opensuse	cpe:2.3:o:opensuse:opensuse
suse	linux enterprise	cpe:2.3:o:suse:linux_enterprise

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

adobe acrobat9.0 and later · before 9.3
adobe acrobat8.0 and later · before 8.2
adobe acrobat reader8.0 and later · before 8.2
adobe acrobat reader9.0 and later · before 9.3
opensuse opensuse11.1
opensuse opensuse11.2
suse linux enterprise10.0
suse linux enterprise debuginfo11

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
Red Hat:rhel_extras:3	acroread-uninstall	before 0:9.3-3	0:9.3-3
Red Hat:rhel_extras:4	acroread	before 0:9.3-1.el4	0:9.3-1.el4
Red Hat:rhel_extras:4	acroread-plugin	before 0:9.3-1.el4	0:9.3-1.el4
Red Hat:rhel_extras:5::client	acroread	before 0:9.3-1.el5	0:9.3-1.el5
Red Hat:rhel_extras:5::client	acroread-plugin	before 0:9.3-1.el5	0:9.3-1.el5

Same product

adobe: all records

Other highest-scoring records for the same primary product.

CVE-2011-2462Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and earlier on Windows and Mac OS X, and Adobe Reader 9.x…KEV
96Now
CVE-2013-3346Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a…KEV
93Now
CVE-2021-21017Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code ExecutionKEV
91Now

Published before and after this one in the same product

← EarlierCVE-2009-3461Oct 19, 2009 · Unspecified vulnerability in Adobe Acrobat 9.x before 9.2 allows attackers to bypass intended file-extension restrictions via unknown…
38Monitor
← EarlierCVE-2009-3462Oct 19, 2009 · Adobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 on Unix, when Debug mode is enabled, allow attackers to…
22Monitor
Later →CVE-2009-3953Jan 13, 2010 · The U3D implementation in Adobe Reader and Acrobat 9.x before 9.3, 8.x before 8.2 on Windows and Mac OS X, and 7.x before 7.1.4 allows…KEV
90Now

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
red hat:acroread	0:9.3-1.el5 · Red Hat:rhel_extras:5::client	Package registry (OSV)
red hat:acroread-plugin	0:9.3-1.el5 · Red Hat:rhel_extras:5::client	Package registry (OSV)
red hat:acroread-uninstall	0:9.3-3 · Red Hat:rhel_extras:3	Package registry (OSV)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

Metasploit module ×2
Exploit-DB entry ×3

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Exploit-DB entry	local	2010-04-30
Exploit-DB entry	local	2010-09-25
Exploit-DB entry	local	2009-12-23
Metasploit module	exploit/windows/browser/adobe_media_newplayerAdobe Doc.media.newPlayer Use After Free Vulnerabilityexploit	2009-12-14
Metasploit module	exploit/windows/fileformat/adobe_media_newplayerAdobe Doc.media.newPlayer Use After Free Vulnerabilityexploit	2009-12-14

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

MetasploitDec 14, 2009-1 d
PublishedDec 14, 2009
First PoCDec 23, 2009+8 d
CISA KEVJun 8, 2022+4558 d
TodayNov 14, 2026+6178 d

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

Someone with local access to the system can trigger it.
No account or password is required.
A user must open a link or visit a page.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-416 · Use After Free

CVSS vector

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

nvd-primary

Root cause

After a memory region is freed, another reference pointing to it is still used. By then, the same region may have been allocated for different data.

The bug in code

The whole CWE-416 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1free(dev->buf);
2/* ... another thread is still running ... */
3process(dev->buf);

Fixed

1lock(&dev->lock);
2free(dev->buf);
3dev->buf = NULL;
4unlock(&dev->lock);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log (1)

Fix✗ → ✓Sep 28, 2026, 10:47 PM UTC

For records you follow, these changes also arrive as notifications. →

References

blogs.adobe.com/psirt/2009/12/new_adobe_reader_and_acrobat_v.html

Show all references (19 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records

Noroxi analysis

What does it mean in your environment?

We use this product, ask for help

Data sources and verification

CNA: adobe

CVE.org (CNA)Oct 22, 2025, 12:05 AM UTC
CISA ADPOct 22, 2025, 12:05 AM UTC
NVDJun 16, 2026, 7:13 PM UTC
FIRST EPSSNov 12, 2026, 12:00 AM UTC
OSV / GHSANov 13, 2026, 3:18 AM UTC
Exploit-DBNov 13, 2026, 3:17 AM UTC
MetasploitNov 13, 2026, 3:18 AM UTC

Each line is when that source was last processed for this record.