How severe is CVE-2011-2454?

CVE-2011-2454 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-2454 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2454?

CVE-2011-2454 primarily affects Adobe Flash Player. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2454?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-2454 published?

CVE-2011-2454 was published on 2011-11-11 and last updated on 2026-06-16.

CVE-2011-2454

CVE-2011-2454 is a critical-severity vulnerability in Adobe Flash Player with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Adobe Flash Player
Published: 2011-11-11
Last modified: 2026-06-16

Description

Adobe Flash Player before 10.3.183.11 and 11.x before 11.1.102.55 on Windows, Mac OS X, Linux, and Solaris and before 11.1.102.59 on Android, and Adobe AIR before 3.1.0.4880, allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2011-2445, CVE-2011-2451, CVE-2011-2452, CVE-2011-2453, CVE-2011-2455, CVE-2011-2459, and CVE-2011-2460.

Frequently asked questions

What is CVE-2011-2454?: Adobe Flash Player before 10.3.183.11 and 11.x before 11.1.102.55 on Windows, Mac OS X, Linux, and Solaris and before 11.1.102.59 on Android, and Adobe AIR before 3.1.0.4880, allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2011-2445, CVE-2011-2451, CVE-2011-2452, CVE-2011-2453, CVE-2011-2455, CVE-2011-2459, and CVE-2011-2460.
How severe is CVE-2011-2454?: CVE-2011-2454 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-2454 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2454?: CVE-2011-2454 primarily affects Adobe Flash Player. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2454?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-2454 published?: CVE-2011-2454 was published on 2011-11-11 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:adobe_air:*:*:*:*:*:*:*:*

More vulnerabilities in Adobe Flash Player

CVE-2015-8459 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on…
CVE-2015-8457 — Critical (CVSS 10.0): Stack-based buffer overflow in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8455 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on…
CVE-2015-8454 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8452 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and…
CVE-2015-8451 — Critical (CVSS 10.0): Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on…

All CVEs affecting Adobe Flash Player →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-105285 — Critical (CVSS 10.0): A security vulnerability has been detected in Totolink A3002MU 1.0.0-B20230403.1455. This affects an unknown function…
CVE-2026-104610 — Critical (CVSS 10.0): A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function…
CVE-2026-101039 — Critical (CVSS 10.0): A vulnerability was identified in FAST FAC1900R 20190827_2.0.2. Affected by this issue is the function copy_msg_element…
CVE-2026-96257 — Critical (CVSS 10.0): A flaw has been found in Fast FAC1203R Gigabit Edition 2.0.4. Affected by this issue is the function copy_msg_element…
CVE-2026-94089 — Critical (CVSS 10.0): A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file…
CVE-2026-94003 — Critical (CVSS 10.0): A vulnerability has been found in Comfast CF-N1-S 2.6.0.1. Impacted is the function get_css_path_from_uri of the file…

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →