CVE-2009-0927

Exp

Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab object, a different vulnerability than CVE-2009-0658.

Published: 2009-03-19 Last update: 2026-04-22 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0927 is rated Critical Active Threat (95.6/100): CVSS High severity, with high exploitation likelihood (EPSS 93.79%, 100th percentile). CISA KEV confirms active exploitation (added 2022-03-25) affecting Adobe / Reader and Acrobat. a weakness (CWE-121) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2009-0927

Name: Adobe Reader and Adobe Acrobat Stack-Based Buffer Overflow Vulnerability · CISA KEV detail

Exploit added: 2022-03-25

Action due: 2022-04-15

Required action: Apply updates per vendor instructions.

Public exploit references (Exploit-DB) for CVE-2009-0927

EDB-ID Source Kind Published Link
16681 exploit_db edb 2010-09-25 Exploit-DB ↗
16606 exploit_db edb 2010-04-30 Exploit-DB ↗
9579 exploit_db edb 2009-09-03 Exploit-DB ↗
8595 exploit_db edb 2009-05-04 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0927

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-09 93.31% 93.79% +0.48%
2 2026-03-12 93.44% 93.31% -0.12%
3 2026-02-26 — 93.44% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0927

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-0927

OS Trackers for CVE-2009-0927

vendor priority summary link
gentoo normal CVE-2009-0927: 1 GLSA(s) (200904-17), 1 atom(s) (app-text/acroread); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-0927
redhat critical — https://access.redhat.com/security/cve/CVE-2009-0927

NVD evaluator notes for CVE-2009-0927

Solution: Per vendor advisory in the 'details' section it states: "The Adobe Reader and Acrobat 9.1 and 7.1.1 updates resolve an input validation issue in a JavaScript method that could potentially lead to remote code execution. This issue has already been resolved in Adobe Reader 8.1.3 and Acrobat 8.1.3. (CVE-2009-0927)" http://www.adobe.com/support/security/bulletins/apsb09-04.html

Affected software / configurations for CVE-2009-0927

Vendor Product Version Raw CPE
adobe acrobat_reader >= 7.0, < 7.1.1 cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
adobe acrobat_reader >= 8.0, < 8.1.3 cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
adobe acrobat_reader >= 9.0, < 9.1 cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*

References for CVE-2009-0927

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00005.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html Mailing List Third Party Advisory
http://secunia.com/advisories/34490 Third Party Advisory
http://secunia.com/advisories/34706 Third Party Advisory
http://secunia.com/advisories/34790 Third Party Advisory
http://security.gentoo.org/glsa/glsa-200904-17.xml Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-256788-1 Broken Link
http://www.adobe.com/support/security/bulletins/apsb09-04.html Patch Vendor Advisory
http://www.exploit-db.com/exploits/9579 Third Party Advisory VDB Entry
http://www.securityfocus.com/archive/1/502116/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/34169 Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1021861 Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2009/0770 Third Party Advisory
http://www.vupen.com/english/advisories/2009/1019 Third Party Advisory
http://www.zerodayinitiative.com/advisories/ZDI-09-014 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/49312 Third Party Advisory VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0927 US Government Resource
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