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Vulnerability record · CVE-2008-1377 · published 16 June 2008

CVE-2008-1377: X11 vulnerability

XX · X11

The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with crafted length values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.

9.0 CVSS 2.0 High EPSS 2.7% · top 14.7% CWE-189 · CWE-189
9.0CVSS 2.0 base score
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
98References
16 Jun 2026Last modified by NVD

Description

The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with crafted length values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.

AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.freedesktop.org/pub/xorg/X11R7.3/patches/xorg-xserver-1.4-cve-2008-1377.diff
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01543321
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=721
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://lists.freedesktop.org/archives/xorg/2008-June/036026.html
http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00002.html Patch
http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00005.html
http://rhn.redhat.com/errata/RHSA-2008-0502.html Patch
http://rhn.redhat.com/errata/RHSA-2008-0504.html
http://rhn.redhat.com/errata/RHSA-2008-0512.html
http://secunia.com/advisories/30627 Vendor Advisory
http://secunia.com/advisories/30628 Vendor Advisory
http://secunia.com/advisories/30629 Vendor Advisory
http://secunia.com/advisories/30630 Vendor Advisory
http://secunia.com/advisories/30637 Vendor Advisory
http://secunia.com/advisories/30659 Vendor Advisory
http://secunia.com/advisories/30664 Vendor Advisory
http://secunia.com/advisories/30666 Vendor Advisory
http://secunia.com/advisories/30671
http://secunia.com/advisories/30715
http://secunia.com/advisories/30772
http://secunia.com/advisories/30809
http://secunia.com/advisories/30843
http://secunia.com/advisories/31025
http://secunia.com/advisories/31109
http://secunia.com/advisories/32099
http://secunia.com/advisories/32545
http://secunia.com/advisories/33937
http://security.gentoo.org/glsa/glsa-200806-07.xml
http://securitytracker.com/id?1020247
http://sunsolve.sun.com/search/document.do?assetkey=1-26-238686-1
http://support.apple.com/kb/HT3438
http://support.avaya.com/elmodocs2/security/ASA-2008-249.htm
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0201
http://www.debian.org/security/2008/dsa-1595 Patch
http://www.gentoo.org/security/en/glsa/glsa-200807-07.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2008:115
http://www.mandriva.com/security/advisories?name=MDVSA-2008:116
http://www.redhat.com/support/errata/RHSA-2008-0503.html
http://www.securityfocus.com/archive/1/493548/100/0/threaded

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-1377), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.