CVE-2009-4134

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-05-27 · updated 2026-06-16
Weakness: CWE-787

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.

Affected products

Python: 2.5.0

References

http://bugs.python.org/issue8678
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://secunia.com/advisories/42888
http://secunia.com/advisories/43068
http://secunia.com/advisories/43364
http://support.apple.com/kb/HT4435
http://www.mandriva.com/security/advisories?name=MDVSA-2010:215
http://www.redhat.com/support/errata/RHSA-2011-0027.html
http://www.redhat.com/support/errata/RHSA-2011-0260.html
http://www.securityfocus.com/bid/40361
http://www.vupen.com/english/advisories/2011/0122

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