Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-16gk-g5t6-5bbf
Vulnerability ID VCID-16gk-g5t6-5bbf
Aliases CVE-2018-1060
Summary python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in pop3lib's apop() method. An attacker could use this flaw to cause denial of service.
Status Published
Exploitability 0.5
Weighted Severity 3.9
Risk 1.9
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 4.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1060.json
epss 0.01038 https://api.first.org/data/v1/epss?cve=CVE-2018-1060
epss 0.01038 https://api.first.org/data/v1/epss?cve=CVE-2018-1060
cvssv3 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1060.json
https://api.first.org/data/v1/epss?cve=CVE-2018-1060
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000158
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000802
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1060
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1061
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14647
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1549191 https://bugzilla.redhat.com/show_bug.cgi?id=1549191
RHSA-2018:3041 https://access.redhat.com/errata/RHSA-2018:3041
RHSA-2019:3725 https://access.redhat.com/errata/RHSA-2019:3725
RHSA-2020:1268 https://access.redhat.com/errata/RHSA-2020:1268
RHSA-2020:1346 https://access.redhat.com/errata/RHSA-2020:1346
USN-3817-1 https://usn.ubuntu.com/3817-1/
USN-3817-2 https://usn.ubuntu.com/3817-2/
USN-6891-1 https://usn.ubuntu.com/6891-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1060.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.77746
EPSS Score 0.01038
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:08:35.931587+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0