python: XMLRPC library unrestricted decompression of HTTP responses using gzip enconding
Published Mar 11, 2020
7.5
HIGHCVSS 3.1
EPSS 3.59%
Description
The gzip_decode function in the xmlrpc client library in Python 3.4 and earlier allows remote attackers to cause a denial of service (memory consumption) via a crafted HTTP request.
Affected products
No data.
No data.
Red Hat Enterprise Linux 7
python-0:2.7.5-34.el7
Fixed · RHSA-2015:2101
Red Hat Software Collections for Red Hat Enterprise Linux 6
python27-0:1.1-17.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6
python27-python-0:2.7.8-3.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6
python27-python-pip-0:1.5.6-5.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6
python27-python-setuptools-0:0.9.8-3.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6
python27-python-simplejson-0:3.2.0-2.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6
python27-python-wheel-0:0.24.0-2.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
python27-0:1.1-17.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
python27-python-0:2.7.8-3.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
python27-python-pip-0:1.5.6-5.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
python27-python-setuptools-0:0.9.8-3.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
python27-python-simplejson-0:3.2.0-2.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
python27-python-wheel-0:0.24.0-2.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
python27-0:1.1-17.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
python27-python-0:2.7.8-3.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
python27-python-pip-0:1.5.6-5.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
python27-python-setuptools-0:0.9.8-3.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
python27-python-simplejson-0:3.2.0-2.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
python27-python-wheel-0:0.24.0-2.el6
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 7
python27-0:1.1-20.el7
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 7
python27-python-0:2.7.8-3.el7
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 7
python27-python-pip-0:1.5.6-5.el7
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 7
python27-python-setuptools-0:0.9.8-5.el7
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 7
python27-python-simplejson-0:3.2.0-3.el7
Fixed · RHSA-2015:1064
Red Hat Software Collections for Red Hat Enterprise Linux 7
python27-python-wheel-0:0.24.0-2.el7
Fixed · RHSA-2015:1064
Red Hat Enterprise Linux 5
python
Not affected
Red Hat Enterprise Linux 6
jython
Not affected
Red Hat Enterprise Linux 6
python
Not affected
Red Hat JBoss Enterprise Application Platform 6
jython-eap6
Not affected
Red Hat JBoss SOA Platform 4
jython
Not affected
Red Hat JBoss SOA Platform 5
jython
Not affected
Red Hat OpenShift Enterprise 2
jython
Not affected
Red Hat Software Collections
python27-python
Affected
Red Hat Software Collections
python33-python
Will not fix
Red Hat Software Collections
rh-python34-python
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | python-0:2.7.5-34.el7 | Fixed | RHSA-2015:2101 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | python27-0:1.1-17.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | python27-python-0:2.7.8-3.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | python27-python-pip-0:1.5.6-5.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | python27-python-setuptools-0:0.9.8-3.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | python27-python-simplejson-0:3.2.0-2.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | python27-python-wheel-0:0.24.0-2.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS | python27-0:1.1-17.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS | python27-python-0:2.7.8-3.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS | python27-python-pip-0:1.5.6-5.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS | python27-python-setuptools-0:0.9.8-3.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS | python27-python-simplejson-0:3.2.0-2.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS | python27-python-wheel-0:0.24.0-2.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | python27-0:1.1-17.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | python27-python-0:2.7.8-3.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | python27-python-pip-0:1.5.6-5.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | python27-python-setuptools-0:0.9.8-3.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | python27-python-simplejson-0:3.2.0-2.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS | python27-python-wheel-0:0.24.0-2.el6 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | python27-0:1.1-20.el7 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | python27-python-0:2.7.8-3.el7 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | python27-python-pip-0:1.5.6-5.el7 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | python27-python-setuptools-0:0.9.8-5.el7 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | python27-python-simplejson-0:3.2.0-3.el7 | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | python27-python-wheel-0:0.24.0-2.el7 | Fixed | RHSA-2015:1064 |
| Red Hat Enterprise Linux 5 | python | Not affected | n/a |
| Red Hat Enterprise Linux 6 | jython | Not affected | n/a |
| Red Hat Enterprise Linux 6 | python | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 6 | jython-eap6 | Not affected | n/a |
| Red Hat JBoss SOA Platform 4 | jython | Not affected | n/a |
| Red Hat JBoss SOA Platform 5 | jython | Not affected | n/a |
| Red Hat OpenShift Enterprise 2 | jython | Not affected | n/a |
| Red Hat Software Collections | python27-python | Affected | n/a |
| Red Hat Software Collections | python33-python | Will not fix | n/a |
| Red Hat Software Collections | rh-python34-python | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of python as shipped with Red Hat Enterprise Linux 5 and 6 as their XMLRPC library did not include support for gzip encoded content.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.59% (0.03588) | 89.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.91% (0.03913) | 88.91th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.46% (0.00455) | 60.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.49% (0.01485) | 69.22th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.46% (0.00455) | 61.76th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00252) | 65.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.25% (0.00252) | 65.22th | v3 (v2023.03.01) |
| Jan 31, 2024 | 0.25% (0.00252) | 63.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00251) | 61.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (5)
- https://access.redhat.com/security/cve/CVE-2013-1753 Vendor Advisory
- https://bugs.python.org/issue16043 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1046170 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-1753
- https://www.cve.org/CVERecord?id=CVE-2013-1753
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2013-1753 | Vendor Advisory | |
| https://bugs.python.org/issue16043 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1046170 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-1753 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-1753 |
Change history (0)
No recorded changes yet.