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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | python +4 | 2.4.3-43.el5 | RHSA-2011:0027 |
| RHEL 4 | python +4 | 2.3.4-14.9.el4 | RHSA-2011:0260 |
Advisories 2
- RHSA-2011:0027 Red Hat Security Advisory: python security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0260 Red Hat Security Advisory: python security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 43068 third-party-advisory
- http://support.apple.com/kb/HT4435
- ADV-2011-0212 vdb-entry
- 43364 third-party-advisory
- ADV-2011-0413 vdb-entry
- APPLE-SA-2010-11-10-1 vendor-advisory
- ADV-2011-0122 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=541698
- SUSE-SR:2011:002 vendor-advisory
- 42888 third-party-advisory
- 40361 vdb-entry
- RHSA-2011:0027 vendor-advisory
- MDVSA-2010:215 vendor-advisory
- http://bugs.python.org/issue8678
- RHSA-2011:0260 vendor-advisory