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Vulnerability from cleanstart
Published
2026-04-01 10:02
Modified
2026-03-10 11:38
Summary
Security fixes for CVE-2015-20107, CVE-2015-2104, CVE-2019-16056, CVE-2019-16935, CVE-2019-20907, CVE-2019-5010, CVE-2020-14422, CVE-2020-8492, CVE-2021-23336, CVE-2021-29921, CVE-2021-3177, CVE-2022-45061, CVE-2023-27043, CVE-2024-6232, CVE-2024-6923, CVE-2025-59375 applied in versions: 3.10.5-r0, 3.11.1-r0, 3.11.5-r0, 3.12.12-r0, 3.12.3-r2, 3.12.6-r0, 3.6.8-r1, 3.7.5-r0, 3.8.2-r0, 3.8.4-r0, 3.8.5-r0, 3.8.7-r2, 3.8.8-r0, 3.9.4-r0, 3.9.5-r0
Details
Multiple security vulnerabilities affect the python3 package. These issues are resolved in later releases. See references for individual vulnerability details.
References
{
"affected": [
{
"package": {
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"name": "python3"
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"ranges": [
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{
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"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the python3 package. These issues are resolved in later releases. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-BM51903",
"modified": "2026-03-10T11:38:44Z",
"published": "2026-04-01T10:02:05.179897Z",
"references": [
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"url": "https://osv.dev/vulnerability/CVE-2015-20107"
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"url": "https://osv.dev/vulnerability/CVE-2021-23336"
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{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2021-29921"
},
{
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"url": "https://osv.dev/vulnerability/CVE-2021-3177"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-45061"
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{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2023-27043"
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{
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"url": "https://osv.dev/vulnerability/CVE-2024-6232"
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{
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"url": "https://osv.dev/vulnerability/CVE-2024-6923"
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"url": "https://osv.dev/vulnerability/CVE-2025-59375"
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{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-20107"
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{
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{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8492"
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"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23336"
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{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29921"
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{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3177"
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{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45061"
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{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-27043"
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{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6232"
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{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6923"
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CVE-2021-3177 (GCVE-0-2021-3177)
Vulnerability from cvelistv5 – Published: 2021-01-19 00:00 – Updated: 2025-12-18 15:03
VLAI
EPSS
Summary
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.
Severity
9.8 (Critical)
CWE
- n/a
Assigner
References
28 references
| URL | Tags |
|---|---|
| https://bugs.python.org/issue42938 | |
| https://github.com/python/cpython/pull/24239 | |
| https://python-security.readthedocs.io/vuln/ctype… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202101-18 | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.apache.org/thread.html/rf9fa47ab664… | mailing-list |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-list |
| https://www.oracle.com//security-alerts/cpujul2021.html | |
| https://news.ycombinator.com/item?id=26185005 | |
| https://security.netapp.com/advisory/ntap-2021022… | |
| https://www.oracle.com/security-alerts/cpuoct2021.html | |
| https://www.oracle.com/security-alerts/cpujan2022.html | |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
| https://www.oracle.com/security-alerts/cpujul2022.html | |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
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CVE-2022-45061 (GCVE-0-2022-45061)
Vulnerability from cvelistv5 – Published: 2022-11-09 00:00 – Updated: 2025-11-03 21:46
VLAI
EPSS
Summary
An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA (RFC 3490) decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor; in such a scenario, they could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied supposed hostname. For example, the attack payload could be placed in the Location header of an HTTP response with status code 302. A fix is planned in 3.11.1, 3.10.9, 3.9.16, 3.8.16, and 3.7.16.
Severity
7.5 (High)
CWE
- n/a
Assigner
References
34 references
| URL | Tags |
|---|---|
| https://github.com/python/cpython/issues/98433 | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.netapp.com/advisory/ntap-2022120… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://security.gentoo.org/glsa/202305-02 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
| https://lists.debian.org/debian-lts-announce/2023… | mailing-list |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
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CVE-2023-27043 (GCVE-0-2023-27043)
Vulnerability from cvelistv5 – Published: 2023-04-18 00:00 – Updated: 2026-05-12 10:52
VLAI
EPSS
Summary
The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com addresses may be used for signup). This occurs in email/_parseaddr.py in recent versions of Python.
Severity
5.3 (Medium)
CWE
- n/a
Assigner
References
23 references
| URL | Tags |
|---|---|
| https://github.com/python/cpython/issues/102988 | |
| http://python.org | |
| https://python-security.readthedocs.io/vuln/email… | |
| https://security.netapp.com/advisory/ntap-2023060… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
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"title": "CVE Program Container"
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CVE-2024-6232 (GCVE-0-2024-6232)
Vulnerability from cvelistv5 – Published: 2024-09-03 12:29 – Updated: 2025-11-03 22:32
VLAI
EPSS
Title
Regular-expression DoS when parsing TarFile headers
Summary
There is a MEDIUM severity vulnerability affecting CPython.
Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/python/cpython/pull/121286 | patch |
| https://github.com/python/cpython/issues/121285 | issue-tracking |
| https://mail.python.org/archives/list/security-an… | vendor-advisory |
| https://github.com/python/cpython/commit/4eaf4891… | patch |
| https://github.com/python/cpython/commit/743acbe8… | patch |
| https://github.com/python/cpython/commit/d449caf8… | patch |
| https://github.com/python/cpython/commit/ed3a49ea… | patch |
| https://github.com/python/cpython/commit/7d1f50cd… | patch |
| https://github.com/python/cpython/commit/b4225ca9… | patch |
| https://github.com/python/cpython/commit/34ddb64d… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.8.20
(python)
Affected: 3.9.0 , < 3.9.20 (python) Affected: 3.10.0 , < 3.10.15 (python) Affected: 3.11.0 , < 3.11.10 (python) Affected: 3.12.0 , < 3.12.6 (python) Affected: 3.13.0a1 , < 3.13.0rc2 (python) |
Credits
Elias Joakim Myllymäki
Seth Larson
Seth Larson
Gregory P. Smith
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CVE-2024-6923 (GCVE-0-2024-6923)
Vulnerability from cvelistv5 – Published: 2024-08-01 13:40 – Updated: 2025-11-03 22:32
VLAI
EPSS
Title
Email header injection due to unquoted newlines
Summary
There is a MEDIUM severity vulnerability affecting CPython.
The
email module didn’t properly quote newlines for email headers when
serializing an email message allowing for header injection when an email
is serialized.
Severity
5.5 (Medium)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/python/cpython/pull/122233 | patch |
| https://github.com/python/cpython/issues/121650 | issue-tracking |
| https://mail.python.org/archives/list/security-an… | vendor-advisory |
| https://github.com/python/cpython/commit/4766d120… | patch |
| https://github.com/python/cpython/commit/4aaa4259… | patch |
| https://github.com/python/cpython/commit/06f28dc2… | patch |
| https://github.com/python/cpython/commit/b158a76c… | patch |
| https://github.com/python/cpython/commit/f7be505d… | patch |
| https://github.com/python/cpython/commit/f7c0f09e… | patch |
| https://github.com/python/cpython/commit/09763398… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.8.20
(python)
Affected: 3.9.0 , < 3.9.20 (python) Affected: 3.10.0 , < 3.10.15 (python) Affected: 3.11.0 , < 3.11.10 (python) Affected: 3.12.0 , < 3.12.5 (python) Affected: 3.13.0a1 , < 3.13.0rc2 (python) |
Credits
Petr Viktorin
Seth Larson
John Whitlock
Bas Bloemsaat
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CVE-2025-59375 (GCVE-0-2025-59375)
Vulnerability from cvelistv5 – Published: 2025-09-15 00:00 – Updated: 2026-05-12 12:08
VLAI
EPSS
Summary
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
Severity
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| libexpat project | libexpat |
Affected:
0 , < 2.7.2
(semver)
|
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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