Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-k2jc-cyb3-yqcc
Vulnerability ID VCID-k2jc-cyb3-yqcc
Aliases CVE-2019-20907
Summary In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20907.json
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2019-20907
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2019-20907
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2019-20907
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2019-20907
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2019-20907
cvssv3.1 5.3 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-2019-20907.json
https://api.first.org/data/v1/epss?cve=CVE-2019-20907
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20907
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1856481 https://bugzilla.redhat.com/show_bug.cgi?id=1856481
970099 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970099
GLSA-202008-01 https://security.gentoo.org/glsa/202008-01
RHSA-2020:4273 https://access.redhat.com/errata/RHSA-2020:4273
RHSA-2020:4285 https://access.redhat.com/errata/RHSA-2020:4285
RHSA-2020:4299 https://access.redhat.com/errata/RHSA-2020:4299
RHSA-2020:4433 https://access.redhat.com/errata/RHSA-2020:4433
RHSA-2020:4641 https://access.redhat.com/errata/RHSA-2020:4641
RHSA-2020:4654 https://access.redhat.com/errata/RHSA-2020:4654
RHSA-2020:5009 https://access.redhat.com/errata/RHSA-2020:5009
RHSA-2020:5010 https://access.redhat.com/errata/RHSA-2020:5010
RHSA-2021:0528 https://access.redhat.com/errata/RHSA-2021:0528
RHSA-2021:0761 https://access.redhat.com/errata/RHSA-2021:0761
RHSA-2021:0881 https://access.redhat.com/errata/RHSA-2021:0881
RHSA-2021:0949 https://access.redhat.com/errata/RHSA-2021:0949
USN-4428-1 https://usn.ubuntu.com/4428-1/
USN-4754-3 https://usn.ubuntu.com/4754-3/
USN-6891-1 https://usn.ubuntu.com/6891-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20907.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:3.1/AV:N/AC:L/PR:N/UI:N/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 0.55643
EPSS Score 0.00323
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:08:04.348425+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0