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Vulnerability record · CVE-2017-11720 · published 28 July 2017

CVE-2017-11720: Lame project lame divide by zero vulnerability

LLame Project · Lame

There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.

9.8 CVSS 3.0 Critical EPSS 2.5% · top 16.2% CWE-369 · Divide by zero
9.8CVSS 3.0 base score, v2 7.5
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blogs.gentoo.org/ago/2017/06/17/lame-divide-by-zero-in-parse_wave_header-get_audio-c/
https://bugs.debian.org/777159
https://sourceforge.net/p/lame/bugs/460/ ExploitThird Party Advisory
https://blogs.gentoo.org/ago/2017/06/17/lame-divide-by-zero-in-parse_wave_header-get_audio-c/
https://bugs.debian.org/777159
https://sourceforge.net/p/lame/bugs/460/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2017-15019Lame project lame null pointer dereference vulnerabilityLAME 3.99.5 has a NULL Pointer Dereference in the hip_decode_init function within libmp3lame/mpglib_interface.c via a malformed mpg file, because of …EPSS 1.1%7.8CVE-2017-9871Lame project lame memory buffer overflow vulnerabilityThe 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 den…EPSS 1.5%7.8CVE-2017-9872Lame project lame memory buffer overflow vulnerabilityThe 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 ca…EPSS 9.8%7.8CVE-2017-8419Lame project lame memory buffer overflow vulnerabilityLAME through 3.99.5 relies on the signed integer data type for values in a WAV or AIFF header, which allows remote attackers to cause a denial of ser…EPSS 1.5%7.5CVE-2017-13712Lame project lame null pointer dereference vulnerabilityNULL Pointer Dereference in the id3v2AddAudioDuration function in libmp3lame/id3tag.c in LAME 3.99.5 allows attackers to perform Denial of Service by…EPSS 1.7%5.5CVE-2017-15045Lame project lame out-of-bounds read vulnerabilityLAME 3.99, 3.99.1, 3.99.2, 3.99.3, 3.99.4, 3.99.5, 3.98.4, 3.98.2 and 3.98 has a heap-based buffer over-read in fill_buffer in libmp3lame/util.c, rel…EPSS 0.90%5.5CVE-2017-15046Lame project lame memory buffer overflow vulnerabilityLAME 3.99.5, 3.99.4, 3.98.4, 3.98.2, 3.98 and 3.97 have a stack-based buffer overflow in unpack_read_samples in frontend/get_audio.c, a different vul…EPSS 0.73%5.5CVE-2017-15018Lame project lame out-of-bounds read vulnerabilityLAME 3.99.5, 3.99.4, 3.99.3, 3.99.2, 3.99.1, 3.99, 3.98.4, 3.98.2 and 3.98 have a heap-based buffer over-read when handling a malformed file in k_34_…EPSS 0.84%

Source: NIST National Vulnerability Database (record CVE-2017-11720), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.