CVE-2011-0556 is a critical memory corruption vulnerability in Adobe Shockwave Player, specifically within the Font Xtra.x32 module. It allows remote attackers to execute arbitrary code or cause a denial of service through a crafted PFR1 chunk that triggers an unexpected sign extension and invalid pointer dereference. With a CVSS score of 9.3, this vulnerability is highly severe, requiring medium attack complexity but offering complete confidentiality, integrity, and availability impact. There is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 11.5.9.615CPE matchmatch criteria | cpe:2.3:a:adobe:shockwave_player:*:*:*:*:*:*:*:* | ||
1.0CPE matchmatch criteria | cpe:2.3:a:adobe:shockwave_player:1.0:*:*:*:*:*:*:* | ||
2.0CPE matchmatch criteria | cpe:2.3:a:adobe:shockwave_player:2.0:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:a:adobe:shockwave_player:3.0:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:adobe:shockwave_player:4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.