Servers and applications
CVE-2013-2495
The iff_read_header function in iff.c in libavformat in FFmpeg through 1.1.3 does not properly handle data sizes for Interchange File Format (IFF) data during operations involving a CMAP chunk or a video codec, which allows remote attackers to cause a denial of service (integer overflow, out-of-bounds array access, and application crash) or possibly have unspecified other impact via a crafted…
- Severity
- High 7.5
- Published
- 9 Mar 2013
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 1.4% in the next 30 daysHigher than 72% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-189
- Attack
- Over the network · No login needed
- Attacker can
- Read some data · Change some data · Slow it down
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Sources
- NVD
Description
The iff_read_header function in iff.c in libavformat in FFmpeg through 1.1.3 does not properly handle data sizes for Interchange File Format (IFF) data during operations involving a CMAP chunk or a video codec, which allows remote attackers to cause a denial of service (integer overflow, out-of-bounds array access, and application crash) or possibly have unspecified other impact via a crafted header.
Affected software
| Software | Affected versions |
|---|---|
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg |
All 59 release lines
|