CVE-2011-0257

Public Exploit

Description

Integer signedness error in Apple QuickTime before 7.7 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PnSize opcode in a PICT file that triggers a stack-based buffer overflow.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 84.75% Top 5%
Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://support.apple.com/kb/HT4826 vendor advisory
http://securityreason.com/securityalert/8365 third party advisory
http://www.exploit-db.com/exploits/17777 exploit
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16059 vdb entry signature
http://zerodayinitiative.com/advisories/ZDI-11-252/

Frequently Asked Questions

What is the severity of CVE-2011-0257?
CVE-2011-0257 has been scored as a critical severity vulnerability.
How to fix CVE-2011-0257?
To fix CVE-2011-0257, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0257 being actively exploited in the wild?
It is possible that CVE-2011-0257 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~85% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.