SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-0501

The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail.

MEDIUM 5.9EPSS 0.95%

Does this matter?

Lower severity and a low EPSS score (0.95%). Track it; it rarely justifies an emergency change on its own.

Description

The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail.

CVSS 3.0
5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
0.95% probability · 61th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-347
Affected
canonical/ubuntu linux · debian/advanced package tool
Source
security@debian.org
EPSS trend
0%3%5%27 October 2026: 0.95%27 October 202627 October 2026

EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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