CVE-2017-9869 EXPLOIT
5.5
MEDIUM · CVSS 3.0 · EPSS 4.1% (pctl 90)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.5 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| EPSS | 4.07% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-06-25 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| lame project | lame |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | LAME 3.99.5 - 'II_step_one' Buffer Overflow | 2017-06-26 |
References
- http://www.securityfocus.com/bid/99272
- https://blogs.gentoo.org/ago/2017/06/17/lame-global-buffer-overflow-in-ii_step_one-layer2-c/
- https://www.exploit-db.com/exploits/42258/
- http://www.securityfocus.com/bid/99272
- https://blogs.gentoo.org/ago/2017/06/17/lame-global-buffer-overflow-in-ii_step_one-layer2-c/
- https://www.exploit-db.com/exploits/42258/
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