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Servers and applications

CVE-2015-8363

The jpeg2000_read_main_headers function in libavcodec/jpeg2000dec.c in FFmpeg before 2.6.5, 2.7.x before 2.7.3, and 2.8.x through 2.8.2 does not enforce uniqueness of the SIZ marker in a JPEG 2000 image, which allows remote attackers to cause a denial of service (out-of-bounds heap-memory access) or possibly have unspecified other impact via a crafted image with two or more of these markers.

Severity
Medium 6.8
Published
26 Nov 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.1% in the next 30 daysHigher than 81% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg
  • Version 2.8.2
  • Version 2.8.1
  • Version 2.8.0
  • Version 2.7.2
All 7 release lines
  • Version 2.6.4
  • Version 2.7.0
  • Version 2.7.1
  • Version 2.7.2
  • Version 2.8.0
  • Version 2.8.1
  • Version 2.8.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-8363
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-8363