The II_step_one function in layer2.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file
Published Jun 25, 2017
5.5
MEDIUMCVSS 3.0
EPSS 4.06%
Description
The II_step_one function in layer2.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file.
Affected products
No data.
- 3.99.5
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.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.06% (0.04065) | 90.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.06% (0.04065) | 89.32th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.78% (0.00785) | 72.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.95% (0.00945) | 83.80th | v3 (v2023.03.01) |
| Nov 10, 2023 | 1.02% (0.01021) | 82.06th | v3 (v2023.03.01) |
| Jul 11, 2023 | 0.88% (0.00878) | 80.28th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.75% (0.00746) | 78.30th | v3 (v2023.03.01) |
| May 5, 2023 | 0.81% (0.00810) | 79.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00517) | 73.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.81% (0.02808) | 83.12th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.81% (0.02808) | 81.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.81% (0.02808) | 63.95th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.58% (0.05581) | 80.18th | v1 |
| Jan 6, 2022 | 5.58% (0.05581) | 79.98th | v1 |
| Sep 1, 2021 | 5.58% (0.05581) | 88.61th | v1 |
| Apr 14, 2021 | 5.58% (0.05581) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/99272 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://blogs.gentoo.org/ago/2017/06/17/lame-global-buffer-overflow-in-ii_step_one-layer2-c/ x_refsource_MISCThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/42258/ exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99272 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://blogs.gentoo.org/ago/2017/06/17/lame-global-buffer-overflow-in-ii_step_one-layer2-c/ | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/42258/ | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.