CVE-2026-4224 @ mufasa

"CVE-2026-4224"
"python-2.7.5-94.0.5.el7_9.tuxcare.els1"
"python-augeas-0.5.0-2.el7"
"python-babel-0.9.6-8.el7"
"python-backports-1.0-8.el7"
"python-backports-ssl_match_hostname-3.5.0.1-1.el7"
"python-chardet-2.2.1-3.el7"
"Am I vulnerable?"

Status

does_not_affect

Priority

7.0

Match score

4.0

Risk

DoS Remote

CVSS

7.5 HIGH

Reason

cpe: python; pkgs: python, python-augeas, python-babel, python-backports, python-backports-ssl_match_hostname, python-chardet; version: in-range: python-2.7.5-94.0.5.el7_9.tuxcare.els1, python-augeas-0.5.0-2.el7, python-babel-0.9.6-8.el7, python-backports-1.0-8.el7, python-backports-ssl_match_hostname-3.5.0.1-1.el7, python-chardet-2.2.1-3.el7; risk:dos

Created

2026-08-05T14:05:15Z

Updated

2026-08-22T10:15:58Z

Closed

2026-08-05T14:31:48Z

Package interrogation (copy)

Run on the host — click to copy a command. RPM

Package	Commands
python-2.7.5-94.0.5.el7_9.tuxcare.els1
python-augeas-0.5.0-2.el7
python-babel-0.9.6-8.el7
python-backports-1.0-8.el7
python-backports-ssl_match_hostname-3.5.0.1-1.el7
python-chardet-2.2.1-3.el7

Inventory lookup

Search package inventory across systems, then return here. Create a ticket on systems the matcher missed.

Suggestions: python · python-augeas · python-babel · python-backports · python-backports-ssl_match_hostname · python-chardet

System	Matches	Ticket for CVE-2026-4224
morris	python-backports 1.0; python-backports-ssl_match_hostname 3.5.0.1	does_not_affect open
mufasa	python-backports 1.0; python-backports-ssl_match_hostname 3.5.0.1	does_not_affect open

Same product CVEs in your queue

Other tickets that look like the same product (from match reason). Relate them here to triage this CVE as the primary.

CVE	CVSS	Systems	Status	Matched	Already related
CVE-2026-68770	9.8	morris, mufasa	does_not_affect	python	—
CVE-2026-3644	7.5	Archive, Library, Matrix, Saiph, morris …	accepted_risk, does_not_affect	python-chardet	—
CVE-2026-7210	7.5	Archive, Library, Matrix, Saiph, morris …	accepted_risk, not_applicable	python-chardet	→ CVE-2026-15308
CVE-2026-15308	7.5	Archive, Library, Matrix, Saiph, morris …	accepted_risk	python-chardet	—
CVE-2026-59939	7.5	Bullseye, Matrix, Silk	new	python	—
CVE-2026-30922	7.5	Library	not_applicable	python	→ CVE-2026-59884
CVE-2026-59886	7.5	Library	not_applicable	python	→ CVE-2026-59884
CVE-2026-7246	7.2	Silk	does_not_affect	python	—

Related CVE (same fix)

Point this ticket’s CVE at a higher-priority / same-fix primary so you only triage one.

Host OS / kernel

CloudLinux release 7.9 (Boris Yegorov) (7.9) · cloudlinux

Arch

x86_64

kernel_release

uname -r → 3.10.0-962.3.2.lve1.5.89.el7.x86_64

kernel_version

uname -v → #1 SMP Thu Jul 9 15:55:31 UTC 2026

For Linux kernel CVEs, kernel_version (Debian packaging / build string) often decides fixed vs not; kernel_release is used for upstream NVD range compares.

Same CVE on other hosts

Open the ticket for this CVE on another system.

System	Status	Priority	Updated
morris	does_not_affect	7.0	2026-08-22T10:15:58Z	Open
Library	accepted_risk	1.75	2026-08-22T10:15:58Z	Open
Archive	accepted_risk	0.62	2026-08-22T10:15:58Z	Open
Saiph	accepted_risk	0.62	2026-08-22T10:15:58Z	Open

Description

When an Expat parser with a registered ElementDeclHandler parses an inline
document type definition containing a deeply nested content model a C stack
overflow occurs.

Determination

Already Patched in tuxcare version
rpm -q --changelog python | head -50
CVE-2026-4224: guard conv_content_model() in pyexpat with
  Py_EnterRecursiveCall()/Py_LeaveRecursiveCall() to avoid a C stack overflow
  when parsing a deeply nested content model in an inline DTD with a registered
  ElementDeclHandler.

Update status

Add note only

Mitigation log

2026-08-05T14:31:48Z — does_not_affect

Already Patched in tuxcare version rpm -q --changelog python | head -50 CVE-2026-4224: guard conv_content_model() in pyexpat with Py_EnterRecursiveCall()/Py_LeaveRecursiveCall() to avoid a C stack overflow when parsing a deeply nested content model in an inline DTD with a registered ElementDeclHandler.

References

NVD: CVE-2026-4224