The decode_ihdr_chunk function in libavcodec/pngdec.c in FFMpeg before 2.1.6, 2.2.x through 2.3.x, and 2.4.x before 2.4.4 allows remote attackers to cause a denial of service (out-of-bounds heap access) and possibly have other unspecified impact via an IDAT before an IHDR in a PNG file
Published Dec 9, 2014
7.5
HIGHCVSS 2.0
EPSS 2.41%
Description
The decode_ihdr_chunk function in libavcodec/pngdec.c in FFMpeg before 2.1.6, 2.2.x through 2.3.x, and 2.4.x before 2.4.4 allows remote attackers to cause a denial of service (out-of-bounds heap access) and possibly have other unspecified impact via an IDAT before an IHDR in a PNG file.
Affected products
No data.
- ≤ 2.1.5
- 2.2
- 2.2.4
- 2.3
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.4
- 2.4.1
- 2.4.2
- 2.4.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.41% (0.02409) | 83.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.41% (0.02409) | 81.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.70% (0.00703) | 70.37th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.62% (0.00616) | 79.48th | v3 (v2023.03.01) |
| Feb 23, 2024 | 0.62% (0.00616) | 78.19th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00435) | 73.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00435) | 70.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=79ceaf827be0b070675d4cd0a55c3386542defd8 x_refsource_CONFIRM
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html mailing-listx_refsource_MLIST
- https://security.gentoo.org/glsa/201603-06 vendor-advisoryx_refsource_GENTOO
- https://www.ffmpeg.org/security.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=79ceaf827be0b070675d4cd0a55c3386542defd8 | x_refsource_CONFIRM | |
| https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html | mailing-listx_refsource_MLIST | |
| https://security.gentoo.org/glsa/201603-06 | vendor-advisoryx_refsource_GENTOO | |
| https://www.ffmpeg.org/security.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.