CVE-2008-1379: X x11

Medium severity, CVSS 6.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Integer overflow in the fbShmPutImage function in the MIT-SHM extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to read arbitrary process memory via crafted values for a Pixmap width and height.

Affected products

• X x11: version r7.3 only

Published 2008-06-16. Last modified 2026-06-16.