SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-9872

The III_dequantize_sample 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 (stack-based buffer overflow and application crash) or possibly have unspecified…

EXPLOIT ✓HIGH 7.8EPSS 9.79%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 9.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

The III_dequantize_sample 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 (stack-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted audio file.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
9.79% probability · 96th percentile
Public exploits
1 in Exploit-DB · verified · first 26 June 2017
CISA KEV
Not listed
Weakness
CWE-119
Affected
lame project/lame
Source
cve@mitre.org
EPSS trend
0%10%20%21 September 2026: 15.19%22 September 2026: 9.79%27 October 2026: 9.79%21 September 202627 October 2026

EPSS moved from 15.2% on 21 September 2026 to 9.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-42259source ↗LAME 3.99.5 - 'III_dequantize_sample' Stack Buffer Overflowlinux · Agostino Sarubbodos26 June 2017yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.