The g2m_init_buffers function in libavcodec/g2meet.c in FFmpeg before 2.1 uses an incorrect ordering of arithmetic operations, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Go2Webinar data
Published Dec 9, 2013
6.8
MEDIUMCVSS 2.0
EPSS 1.64%
Description
The g2m_init_buffers function in libavcodec/g2meet.c in FFmpeg before 2.1 uses an incorrect ordering of arithmetic operations, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Go2Webinar data.
Affected products
No data.
- ≤ 2.0.1
- 0.3
- 0.3.1
- 0.3.2
- 0.3.3
- 0.3.4
- 0.4.0
- 0.4.2
- 0.4.3
- 0.4.4
- 0.4.5
- 0.4.6
- 0.4.7
- 0.4.8
- 0.4.9
- 0.5
- 0.5.1
- 0.5.2
- 0.5.3
- 0.5.4
- 0.5.4.5
- 0.5.4.6
- 0.5.5
- 0.6
- 0.6.1
- 0.6.2
- 0.6.3
- 0.7
- 0.7.1
- 0.7.2
- 0.7.3
- 0.7.4
- 0.7.5
- 0.7.6
- 0.7.7
- 0.7.8
- 0.7.9
- 0.7.11
- 0.7.12
- 0.8.0
- 0.8.1
- 0.8.2
- 0.8.5
- 0.8.5.3
- 0.8.5.4
- 0.8.6
- 0.8.7
- 0.8.8
- 0.8.10
- 0.8.11
- 0.9
- 0.9.1
- 0.10
- 0.10.3
- 0.10.4
- 0.11
- 1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.2
- 1.2.1
- 2.0
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:M/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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.64% (0.01635) | 75.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.64% (0.01635) | 73.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.20% (0.01199) | 77.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.23% (0.01226) | 86.00th | v3 (v2023.03.01) |
| Jun 26, 2024 | 1.04% (0.01036) | 83.99th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.86% (0.00862) | 82.38th | v3 (v2023.03.01) |
| Dec 8, 2023 | 0.86% (0.00862) | 80.36th | v3 (v2023.03.01) |
| Jul 22, 2023 | 0.90% (0.00896) | 80.54th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.94% (0.00941) | 80.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.02% (0.01022) | 81.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://ffmpeg.org/security.html x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2013/11/26/7 mailing-listx_refsource_MLISTPatch
- http://openwall.com/lists/oss-security/2013/12/08/3 mailing-listx_refsource_MLISTPatch
- https://github.com/FFmpeg/FFmpeg/commit/821a5938d100458f4d09d634041b05c860554ce0 x_refsource_CONFIRMExploitPatch
- https://security.gentoo.org/glsa/201603-06 vendor-advisoryx_refsource_GENTOO
- https://trac.ffmpeg.org/ticket/2922 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://ffmpeg.org/security.html | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2013/11/26/7 | mailing-listx_refsource_MLISTPatch | |
| http://openwall.com/lists/oss-security/2013/12/08/3 | mailing-listx_refsource_MLISTPatch | |
| https://github.com/FFmpeg/FFmpeg/commit/821a5938d100458f4d09d634041b05c860554ce0 | x_refsource_CONFIRMExploitPatch | |
| https://security.gentoo.org/glsa/201603-06 | vendor-advisoryx_refsource_GENTOO | |
| https://trac.ffmpeg.org/ticket/2922 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.