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TI-2013-01769 Aliases CVE-2013-1997GHSA-x42r-v45p-29g6

Multiple buffer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X…

Priority LOW 34CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Partial Red Hat: 8 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Multiple buffer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the (1) XAllocColorCells, (2) _XkbReadGetDeviceInfoReply, (3) _XkbReadGeomShapes, (4) _XkbReadGetGeometryReply, (5) _XkbReadKeySyms, (6) _XkbReadKeyActions, (7) _XkbReadKeyBehaviors, (8) _XkbReadModifierMap, (9) _XkbReadExplicitComponents, (10) _XkbReadVirtualModMap, (11) _XkbReadGetNamesReply, (12) _XkbReadGetMapReply, (13) _XimXGetReadData, (14) XListFonts, (15) XListExtensions, and (16) XGetFontPath functions.

Why it matters now

EPSS 0.02109 81st percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:x:libx11:*:*:*:*:*:*:*:*up to 1.5.99.901VulnerableX
cpe:2.3:a:x:libx11:1.5.0:*:*:*:*:*:*:*1.5.0VulnerableX
  • cpe:2.3:a:x:libx11:*:*:*:*:*:*:*:* Versions up to 1.5.99.901 Vulnerable ·X
  • cpe:2.3:a:x:libx11:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·X

Remediation

Red Hat 1 advisory

  • RHSA-2014:1436 Released 2014-10-13 · Red Hat rating Moderate
    X11 client libraries security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Desktop (v. 6) libX11-1.6.0-2.2.el6, libX11-common-1.6.0-2.2.el6, libXcursor-1.1.14-2.1.el6 +17
    • Red Hat Enterprise Linux Desktop Optional (v. 6) libX11-devel-1.6.0-2.2.el6, libXcursor-devel-1.1.14-2.1.el6, libXext-devel-1.3.2-2.1.el6 +23
    • Red Hat Enterprise Linux HPC Node (v. 6) libX11-1.6.0-2.2.el6, libX11-common-1.6.0-2.2.el6, libXcursor-1.1.14-2.1.el6 +12
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) libX11-devel-1.6.0-2.2.el6, libXcursor-devel-1.1.14-2.1.el6, libXext-devel-1.3.2-2.1.el6 +24
    • Red Hat Enterprise Linux Server (v. 6) libX11-1.6.0-2.2.el6, libX11-1.6.0-2.2.el6.ppc, libX11-common-1.6.0-2.2.el6 +47
    • Red Hat Enterprise Linux Server Optional (v. 6) libXres-devel-1.0.7-2.1.el6, libXres-devel-1.0.7-2.1.el6.ppc, libXvMC-devel-1.0.8-2.1.el6 +13
    • Red Hat Enterprise Linux Workstation (v. 6) libX11-1.6.0-2.2.el6, libX11-common-1.6.0-2.2.el6, libX11-devel-1.6.0-2.2.el6 +32
    • Red Hat Enterprise Linux Workstation Optional (v. 6) libXres-devel-1.0.7-2.1.el6, libXvMC-devel-1.0.8-2.1.el6, libXxf86dga-1.1.4-2.1.el6 +8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:1436
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:1436
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2014:1436
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:1436
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:1436
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:1436
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:1436
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:1436

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-1997
  2. 2026-10-03 Alias added: GHSA-x42r-v45p-29g6

References

Advisory 4

Other 1

  • TI-2013-01776 The (1) GetDatabase and (2) _XimParseStringFile functions in X.org libX11 1.5.99.901 (1.6… CVSS 2.0MEDIUM 6.8
  • TI-2013-01753 Multiple integer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X… CVSS 2.0MEDIUM 6.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences