Description
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.
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 | 2:1.4.1~git20080517-2 | — |
| Debian 13 | xorg-server | 2:1.4.1~git20080517-2 | — |
| Debian 12 | xorg-server | 2:1.4.1~git20080517-2 | — |
| Debian 5.0 | xorg-server | 2:1.4.1~git20080517-2~lenny1 | DTSA-141-1 |
| Debian 4.0 | xorg-server | 2:1.1.1-21etch5 | DSA-1595-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | xorg-x11-server +6 | 1.1.1-48.41.el5_2.1 | RHSA-2008:0504 |
| RHEL 4 | xorg-x11 +17 | 6.8.2-1.EL.33.0.4 | RHSA-2008:0503 |
| RHEL 3 | XFree86 +29 | 4.3.0-128.EL | RHSA-2008:0502 |
| RHEL 2 | XFree86 +19 | 4.1.0-88.EL | RHSA-2008:0512 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xorg-x11-server | 1.20.13-1.2 | openSUSE-SU-2024:11525-1 |
Advisories 7
- RHSA-2008:0504 Red Hat Security Advisory: xorg-x11-server security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2008:0512 Red Hat Security Advisory: XFree86 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2008:0503 Red Hat Security Advisory: xorg-x11 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2008:0502 Red Hat Security Advisory: XFree86 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1595-1 xorg-server - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DTSA-141-1 xorg-server - multiple vulnerabilities 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
- 1020246 vdb-entry
- https://issues.rpath.com/browse/RPL-2607
- 30629 third-party-advisory
- 238686 vendor-advisory
- 33937 third-party-advisory
- 30664 third-party-advisory
- MDVSA-2008:115 vendor-advisory
- 20080621 rPSA-2008-0201-1 xorg-x11 xorg-x11-fonts xorg-x11-tools xorg-x11-xfs mailing-list
- 31025 third-party-advisory
- RHSA-2008:0502 vendor-advisory
- SSRT080083 vendor-advisory
- http://support.apple.com/kb/HT3438
- 20080611 Multiple Vendor X Server MIT-SHM Extension Information Disclosure Vulnerability third-party-advisory
- APPLE-SA-2009-02-12 vendor-advisory
- ADV-2008-1833 vdb-entry
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0201
- GLSA-200806-07 vendor-advisory
- 30715 third-party-advisory
- 30666 third-party-advisory
- xorg-fbshmputimage-information-disclosure(43016) vdb-entry
- 30627 third-party-advisory
- 30637 third-party-advisory
- MDVSA-2008:116 vendor-advisory
- oval:org.mitre.oval:def:8966 vdb-entry signature
- ADV-2008-1803 vdb-entry
- http://support.avaya.com/elmodocs2/security/ASA-2008-249.htm
- SUSE-SA:2008:027 vendor-advisory
- 30772 third-party-advisory
- RHSA-2008:0503 vendor-advisory
- 30628 third-party-advisory
- 30659 third-party-advisory
- 31109 third-party-advisory
- ADV-2008-1983 vdb-entry
- 30671 third-party-advisory
- 30809 third-party-advisory
- MDVSA-2008:179 vendor-advisory
- ADV-2008-3000 vdb-entry
- 29669 vdb-entry
- [xorg] 20080611 X.Org security advisory june 2008 - Multiple vulnerabilities in X server extensions mailing-list
- RHSA-2008:0504 vendor-advisory
- 32545 third-party-advisory
- 30843 third-party-advisory
- DSA-1595 vendor-advisory
- USN-616-1 vendor-advisory
- 32099 third-party-advisory
- https://issues.rpath.com/browse/RPL-2619
- SUSE-SR:2008:019 vendor-advisory
- RHSA-2008:0512 vendor-advisory
- 20080620 rPSA-2008-0200-1 xorg-server mailing-list
- 30630 third-party-advisory
- GLSA-200807-07 vendor-advisory