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Advisory details: pypa / freeipa/PYSEC-2026-636
Advisory ID pypa/freeipa/PYSEC-2026-636
Aliases CVE-2019-14867
GHSA-7hpj-hfcr-5qwm
PYSEC-2026-636
Summary Code injection in FreeIPA A flaw was found in IPA, all 4.6.x versions before 4.6.7, all 4.7.x versions before 4.7.4 and all 4.8.x versions before 4.8.3, in the way the internal function ber_scanf() was used in some components of the IPA server, which parsed kerberos key data. An unauthenticated attacker who could trigger parsing of the krb principal key could cause the IPA server to crash or in some conditions, cause arbitrary code to be executed on the server hosting the IPA server.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3.1 8.8 https://github.com/pypa/advisory-database/blob/main/vulns/freeipa/PYSEC-2026-636.yaml
cvssv4 8.7 https://github.com/pypa/advisory-database/blob/main/vulns/freeipa/PYSEC-2026-636.yaml
Reference id Reference type URL
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14867
https://github.com/pypa/advisory-database/tree/main/vulns/ipa/PYSEC-2019-28.yaml
https://github.com/pypa/advisory-db/tree/main/vulns/ipa/PYSEC-2019-28.yaml
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/67SEUWJAJ5RMH5K4Q6TS2I7HIMXUGNKF
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLFL5XDCJ3WT6JCLCQVKHZBLHGW7PW4T
https://pypi.org/project/freeipa
https://www.freeipa.org/page/Releases/4.6.7
https://www.freeipa.org/page/Releases/4.7.4
https://www.freeipa.org/page/Releases/4.8.3
CVE-2019-14867 https://nvd.nist.gov/vuln/detail/CVE-2019-14867
GHSA-7hpj-hfcr-5qwm https://github.com/advisories/GHSA-7hpj-hfcr-5qwm
RHBA-2019:4268 https://access.redhat.com/errata/RHBA-2019:4268
RHSA-2020:0378 https://access.redhat.com/errata/RHSA-2020:0378
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/pypa/advisory-database/blob/main/vulns/freeipa/PYSEC-2026-636.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
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/blob/main/vulns/freeipa/PYSEC-2026-636.yaml
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.