Vulnerability in X.org X Font Server
CVE-2007-4990
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.
EPSS: 0.107 (95.4th percentile) — read the EPSS interpretation.
Affected products
- X.org X_font_server
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
- cve@mitre.org (vendor-advisory, x_refsource_SUNALERT)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
- cve@mitre.org (x_refsource_SECUNIA, third-party-advisory)
- cve@mitre.org (x_refsource_IDEFENSE, third-party-advisory)