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CVE-2017-9869

32
FAUCET Score

CVE-2017-9869 is a buffer over-read vulnerability in the II_step_one function of mpglib, specifically affecting LAME 3.99.5 and other products utilizing this library. This vulnerability carries a CVSS score of 5.5 (Medium), indicating it can be triggered by a remote attacker through user interaction (e.g., opening a crafted audio file), leading to a denial of service and application crash. While not actively exploited in the wild (no KEV entry), a public exploit (EDB-42258) exists, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.99.5CPE matchmatch criteria
cpe:2.3:a:lame_project:lame:3.99.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.06%
Probability of exploitation in next 30 days
EPSS Percentile
89.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-42258 · Jun 26, 2017
This CVE's current EPSS score of 0.0406 is in the 96th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blogs.gentoo.org / ago/2017/06/17/lame-global-buffer-overflow-in-ii_step_one-layer2-c
Third Party AdvisoryVDB Entry
exploit-db.com / exploits/42258
securityfocus.com / bid/99272
Third Party AdvisoryVDB Entry