Skip to content
Fencer Intel
critical 9.3

CVE-2011-0257 in the critical feed json

Integer signedness error in Apple QuickTime before 7.7 allows remote attackers to execute arbitrary code or cause a denial of service (appl…

published 2011-08-15 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0283

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
60.1%
EPSS 60.1% chance of exploitation in 30 days, percentile 99.1%
public exploits
2
Metasploit, Exploit-DB

Summary

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.

Timeline

  1. First public exploit (Metasploit exploit/windows/fileformat/apple_quicktime_pnsize)
  2. Published

Exploit prediction

60.11% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.