The swap_char2b function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.
CVSS Details
- CVSS 3.1 Base Score: 7.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx X11 | — | Apply OS X security update 2008-002 | Dec 16, 2011 | Oct 5, 2007 |
| Gentoo Linux | — | Upgrade x11-apps/xfs. | Oct 30, 2017 | Oct 5, 2007 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 2, 2007 |
| Suse | — | Upgrade xorg-x11-develUpgrade xorg-x11-libs-32bitUpgrade xorg-x11-XvncUpgrade xorg-x11-docUpgrade xorg-x11-server-extraUpgrade xorg-x11-libsUpgrade suse-releaseUpgrade xorg-x11Upgrade xorg-x11-server-sdkUpgrade xorg-x11-devel-32bitUpgrade xorg-x11-libs-64bitUpgrade xorg-x11-devel-64bitUpgrade xorg-x11-server | Feb 17, 2015 | Oct 5, 2007 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub