Skip to content
Fencer Intel
medium 4.3

CVE-2012-0849 json

Integer overflow in the ff_j2k_dwt_init function in libavcodec/j2k_dwt.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial o…

published 2012-08-27 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0874

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Integer overflow in the ff_j2k_dwt_init function in libavcodec/j2k_dwt.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (segmentation fault and application crash) via a crafted JPEG2000 image that triggers an incorrect check for a negative value.

Patch / fix

Exploit prediction

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

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.