SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11550

The id3_ucs4_length function in ucs4.c in libid3tag 0.15.1b allows remote attackers to cause a denial of service (NULL Pointer Dereference and application crash) via a crafted mp3 file.

MEDIUM 5.5EPSS 1.47%

Does this matter?

Lower severity and a low EPSS score (1.47%). Track it; it rarely justifies an emergency change on its own.

Description

The id3_ucs4_length function in ucs4.c in libid3tag 0.15.1b allows remote attackers to cause a denial of service (NULL Pointer Dereference and application crash) via a crafted mp3 file.

CVSS 3.0
5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.47% probability · 74th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-476
Affected
libid3tag project/libid3tag
Source
cve@mitre.org
EPSS trend
0%3%5%21 September 2026: 2.48%22 September 2026: 1.45%27 October 2026: 1.47%21 September 202627 October 2026

EPSS moved from 2.5% on 21 September 2026 to 1.5% on 27 October 2026.

References

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