CVE-2012-5263

CRITICAL

Adobe Flash Player before 10.3.183.29 and 11.x before 11.4.402.287 on Windows and Mac OS X, before 10.3.183.29 and 11.x before 11.2.202.243 on Linux, before 11.1.111.19 on Android 2.x and 3.x, and ...

Affects 8 products across 5 vendors.

BCS7.82
CVSS 2.010.0
EPSS4.7%
Percentile92th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-119: Improper Restriction of Operations within Memory Buffer

Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.

Related Attack Patterns (CAPEC)
CAPEC-8 Buffer Overflow in an API Call
via CWE-119
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-119
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-119
CAPEC-14 Client-side Injection-induced Buffer Overflow
via CWE-119
CAPEC-24 Filter Failure through Buffer Overflow
via CWE-119
Show all 12

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2012. A critical vulnerability affects Adobe systems (CVE-2012-5263). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2012-GLOBAL-207927-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2012-5263?
This vulnerability was disclosed in 2012. A critical vulnerability affects Adobe systems (CVE-2012-5263). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2012-5263?
CVE-2012-5263 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 4.7%.
Is CVE-2012-5263 actively exploited?
No confirmed active exploitation of CVE-2012-5263 as of 2026-09-25.
How do I remediate CVE-2012-5263?
Priority: MEDIUM. Advisory: http://www.adobe.com/support/security/bulletins/apsb12-22.html PSIRT: [email protected]
What systems are affected by CVE-2012-5263?
CVE-2012-5263 affects: Adobe, Adobe, Adobe, Adobe, Apple, Google, Linux, Microsoft.
Vulnerability Details
CVE IDCVE-2012-5263
BSIDBS-2012-GLOBAL-207927-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2012-10-09
Last Modified2026-06-16
ICS Relevance15%
Weakness (CWE)
Improper Restriction of Operations within Memory Buffer
SourceNVD
Official Description

Adobe Flash Player before 10.3.183.29 and 11.x before 11.4.402.287 on Windows and Mac OS X, before 10.3.183.29 and 11.x before 11.2.202.243 on Linux, before 11.1.111.19 on Android 2.x and 3.x, and before 11.1.115.20 on Android 4.x; Adobe AIR before 3.4.0.2710; and Adobe AIR SDK before 3.4.0.2710 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than other Flash Player memory corruption CVEs listed in APSB12-22.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Adobe Flash Player before 10.3.183.29 and 11.x before 11.4.402.287 on Windows and Mac OS X, before 10.3.183.29 and 11.x before 11.2.202.243 on Linux, before 11.1.111.19 on Android 2.x and 3.x, and before 11.1.115.20 on Android 4.x; Adobe AIR before 3.4.0.2710; and Adobe AIR SDK before 3.4.0.2710 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than other Flash Player memory corruption CVEs listed in APSB CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Adobe Flash Player For Android —
Adobe Adobe Air Sdk —
Adobe Flash Player —
Adobe Adobe Air —
Apple Mac Os X —
Google Android —
Linux Linux Kernel —
Microsoft Windows —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: September 2026 | Threat Age: 5102 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash35449e28ed5d1cbbbd200b6a29543372746d9da3101a865e6be3dec9dde595d79d984491b3c29c094b3c102702ab221ca151ef3106535ed20620a4e2e3e6141d
Related CVEs affecting Adobe
CVE-2009-3959 10.0 Integer overflow in the U3D implementation in Adobe Reader and Acrobat 9.x be... CVE-2010-4309 10.0 Adobe Shockwave Player before 11.6.1.629 allows attackers to execute arbitrar... CVE-2009-3958 10.0 Multiple stack-based buffer overflows in the NOS Microsystems getPlus Helper ... CVE-2011-2419 10.0 IML32.dll in Adobe Shockwave Player before 11.6.1.629 allows remote attackers... CVE-2012-2029 10.0 Adobe Shockwave Player before 11.6.5.635 allows attackers to execute arbitrar...
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