Description
Integer overflow in the ProcRenderAddGlyphs function in the Render extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of glyph management data structures.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xorg-server | 2:1.1.1-15 | — |
| Debian 13 | xorg-server | 2:1.1.1-15 | — |
| Debian 12 | xorg-server | 2:1.1.1-15 | — |
| Debian 3.1 | xfree86 | 4.3.0.dfsg.1-14sarge3 | DSA-1249-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | xorg-x11 +17 | 6.8.2-1.EL.13.37.5 | RHSA-2007:0003 |
| RHEL 3 | XFree86 +29 | 4.3.0-115.EL | RHSA-2007:0002 |
| RHEL 2 | XFree86 +19 | 4.1.0-78.EL | RHSA-2007:0002 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xorg-x11-server | 1.20.13-1.2 | openSUSE-SU-2024:11525-1 |
Advisories 4
- RHSA-2007:0002 Red Hat Security Advisory: XFree86 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2007:0003 Red Hat Security Advisory: xorg-x11 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1249-1 xfree86 Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11525-1 xorg-x11-server-1.20.13-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- ADV-2007-0108 vdb-entry
- ADV-2007-0669 vdb-entry
- SUSE-SA:2007:008 vendor-advisory
- 21968 vdb-entry
- 23789 third-party-advisory
- HPSBUX02225 vendor-advisory
- 24168 third-party-advisory
- 23633 third-party-advisory
- http://support.avaya.com/elmodocs2/security/ASA-2007-074.htm
- 23670 third-party-advisory
- 32084 vdb-entry
- xorg-xserver-render-overflow(31337) vdb-entry
- 24401 third-party-advisory
- oval:org.mitre.oval:def:10490 vdb-entry signature
- 23684 third-party-advisory
- RHSA-2007:0002 vendor-advisory
- ADV-2007-0589 vdb-entry
- https://issues.rpath.com/browse/RPL-920
- 20070109 Multiple Vendor X Server Render Extension ProcRenderAddGlyphs Memory Corruption Vulnerability third-party-advisory
- ADV-2007-0109 vdb-entry
- 23966 third-party-advisory
- GLSA-200701-25 vendor-advisory
- http://support.avaya.com/elmodocs2/security/ASA-2007-066.htm
- 23698 third-party-advisory
- 25802 third-party-advisory
- 23758 third-party-advisory
- 23705 third-party-advisory
- 23689 third-party-advisory
- 102803 vendor-advisory
- 1017495 vdb-entry
- 24210 third-party-advisory
- SSA:2007-066-02 vendor-advisory
- RHSA-2007:0003 vendor-advisory
- NetBSD-SA2007-002 vendor-advisory
- MDKSA-2007:005 vendor-advisory
- DSA-1249 vendor-advisory
- 24247 third-party-advisory
- [x-org announce] 20070109 X.Org Security Advisory: multiple integer overflows in dbe and render extensions mailing-list
- USN-403-1 vendor-advisory
- ADV-2007-2233 vdb-entry