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CVE-2009-4134

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of...

5.0 Medium

CVE-2009-4134 is a medium vulnerability (CVSS 5.0) in Python, published May 27, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.42%, the 91st percentile. No source names a fixed version.

What does this mean?
Severity
5.0 MediumCVSS 2.0, NVD
Exploit chance
4.42%EPSS, 91st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

Exploit likelihood

4.42%Up 0.6 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
python
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-libs
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-tools
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
tkinter
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
Show 28 moreShow less
Affected packages
PackageAffectedFixed
python-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-libs
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python-tools
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
tkinter
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
before 0:2.4.3-43.el5
0:2.4.3-43.el5
python
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-docs
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-tools
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
tkinter
Red Hat:enterprise_linux:4::as
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-docs
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-tools
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
tkinter
Red Hat:enterprise_linux:4::desktop
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-docs
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-tools
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
tkinter
Red Hat:enterprise_linux:4::es
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-docs
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
python-tools
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4
tkinter
Red Hat:enterprise_linux:4::ws
From an advisory covering 3 CVEs
before 0:2.3.4-14.9.el4
0:2.3.4-14.9.el4

What each source reports

NVD Score used5.0

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

Record
CVE-2009-4134
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE ListNo score

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

Record
CVE-2009-4134
Updated
2026-11-02
EUVDEUVD-2009-4104No score

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

Record
EUVD-2009-4104
Updated
2026-11-03
GitHub AdvisoriesGHSA-5g97-f544-j8g3No score

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of...

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

Record
GHSA-5g97-f544-j8g3
Weakness
CWE-787
Updated
2026-11-02
OSVPSF-2010-1No score

rgbimg and imageop overflows

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

Record
PSF-2010-1
Updated
2026-11-02

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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