CVE-2011-0556

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-02-10 · updated 2026-06-16
Weakness: CWE-119

Description

The Font Xtra.x32 module in Adobe Shockwave Player before 11.5.9.620 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PFR1 chunk that leads to an unexpected sign extension and an invalid pointer dereference, a different vulnerability than CVE-2011-0569.

Affected products

Adobe Shockwave Player: through 11.5.9.615; 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 (+35)

References

http://dvlabs.tippingpoint.com/advisory/TPTI-11-03
http://www.adobe.com/support/security/bulletins/apsb11-01.html
http://www.securityfocus.com/archive/1/516336/100/0/threaded
http://www.securityfocus.com/bid/46328
http://www.securitytracker.com/id?1025056
http://www.vupen.com/english/advisories/2011/0335
https://exchange.xforce.ibmcloud.com/vulnerabilities/65258
http://dvlabs.tippingpoint.com/advisory/TPTI-11-03
http://www.adobe.com/support/security/bulletins/apsb11-01.html
http://www.securityfocus.com/archive/1/516336/100/0/threaded
http://www.securityfocus.com/bid/46328
http://www.securitytracker.com/id?1025056

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