lame: buffer over-read in III_i_stereo function in layer3.c in mpglib
Published Jun 25, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.22%
Description
The III_i_stereo function in layer3.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 that is mishandled in the code for the "block_type == 2" case, a similar issue to CVE-2017-11126.
Affected products
No data.
- 3.99.5
No data.
Red Hat Enterprise Linux 9
lame
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 9 | lame | Not affected | n/a |
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
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.22% (0.01220) | 67.58th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.22% (0.01220) | 67.33th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.15% (0.00147) | 51.12th | v3 (v2023.03.01) |
| Nov 10, 2023 | 0.15% (0.00147) | 50.50th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.13% (0.00126) | 46.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00072) | 29.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.98% (0.00976) | 26.54th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.98% (0.00976) | 0.00th | v1 |
References (6)
- http://www.securityfocus.com/bid/99287 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2017-9870 Vendor Advisory
- https://blogs.gentoo.org/ago/2017/06/17/lame-global-buffer-overflow-in-iii_i_stereo-layer3-c/ x_refsource_MISCThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1548583 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-9870
- https://www.cve.org/CVERecord?id=CVE-2017-9870
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99287 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2017-9870 | Vendor Advisory | |
| https://blogs.gentoo.org/ago/2017/06/17/lame-global-buffer-overflow-in-iii_i_stereo-layer3-c/ | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1548583 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-9870 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-9870 |
Change history (0)
No recorded changes yet.