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TI-2013-05415 Aliases CVE-2013-6462GHSA-7vj8-7ww8-h9v6

Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in…

Priority MEDIUM 53CWE-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
Complete · Complete · Complete
Fix status
Fixed

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

Summary

Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

Why it matters now

EPSS 0.10254 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory

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 · 23

CPEVersionsRoleVendor
cpe:2.3:a:x:libxfont:1.1.0:*:*:*:*:*:*:*1.1.0VulnerableX
cpe:2.3:a:x:libxfont:1.2.0:*:*:*:*:*:*:*1.2.0VulnerableX
cpe:2.3:a:x:libxfont:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableX
cpe:2.3:a:x:libxfont:1.2.2:*:*:*:*:*:*:*1.2.2VulnerableX
cpe:2.3:a:x:libxfont:1.2.3:*:*:*:*:*:*:*1.2.3VulnerableX
cpe:2.3:a:x:libxfont:1.2.4:*:*:*:*:*:*:*1.2.4VulnerableX
cpe:2.3:a:x:libxfont:1.2.5:*:*:*:*:*:*:*1.2.5VulnerableX
cpe:2.3:a:x:libxfont:1.2.6:*:*:*:*:*:*:*1.2.6VulnerableX
cpe:2.3:a:x:libxfont:1.2.7:*:*:*:*:*:*:*1.2.7VulnerableX
cpe:2.3:a:x:libxfont:1.2.8:*:*:*:*:*:*:*1.2.8VulnerableX
  • cpe:2.3:a:x:libxfont:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.4:*:*:*:*:*:*:* Versions 1.2.4 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.5:*:*:*:*:*:*:* Versions 1.2.5 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.6:*:*:*:*:*:*:* Versions 1.2.6 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.2.8:*:*:*:*:*:*:* Versions 1.2.8 Vulnerable ·X
Show 13 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:x:libxfont:1.2.9:*:*:*:*:*:*:*1.2.9VulnerableX
cpe:2.3:a:x:libxfont:1.3.0:*:*:*:*:*:*:*1.3.0VulnerableX
cpe:2.3:a:x:libxfont:1.3.1:*:*:*:*:*:*:*1.3.1VulnerableX
cpe:2.3:a:x:libxfont:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableX
cpe:2.3:a:x:libxfont:1.3.3:*:*:*:*:*:*:*1.3.3VulnerableX
cpe:2.3:a:x:libxfont:1.3.4:*:*:*:*:*:*:*1.3.4VulnerableX
cpe:2.3:a:x:libxfont:1.4.0:*:*:*:*:*:*:*1.4.0VulnerableX
cpe:2.3:a:x:libxfont:1.4.1:*:*:*:*:*:*:*1.4.1VulnerableX
cpe:2.3:a:x:libxfont:1.4.2:*:*:*:*:*:*:*1.4.2VulnerableX
cpe:2.3:a:x:libxfont:1.4.3:*:*:*:*:*:*:*1.4.3VulnerableX
cpe:2.3:a:x:libxfont:1.4.4:*:*:*:*:*:*:*1.4.4VulnerableX
cpe:2.3:a:x:libxfont:1.4.5:*:*:*:*:*:*:*1.4.5VulnerableX
cpe:2.3:a:x:libxfont:1.4.6:*:*:*:*:*:*:*1.4.6VulnerableX
  • cpe:2.3:a:x:libxfont:1.2.9:*:*:*:*:*:*:* Versions 1.2.9 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.4.5:*:*:*:*:*:*:* Versions 1.4.5 Vulnerable ·X
  • cpe:2.3:a:x:libxfont:1.4.6:*:*:*:*:*:*:* Versions 1.4.6 Vulnerable ·X

Remediation

Red Hat 1 advisory

  • RHSA-2014:0018 Released 2014-01-10 · Red Hat rating Important
    libXfont security update
    • Red Hat Enterprise Linux (v. 5 server) libXfont-1.2.2-1.0.5.el5_10, libXfont-1.2.2-1.0.5.el5_10.i386, libXfont-1.2.2-1.0.5.el5_10.ia64 +5
    • Red Hat Enterprise Linux Desktop (v. 5 client) libXfont-1.2.2-1.0.5.el5_10, libXfont-1.2.2-1.0.5.el5_10.i386
    • Red Hat Enterprise Linux Desktop (v. 6) libXfont-1.4.5-3.el6_5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) libXfont-1.4.5-3.el6_5, libXfont-devel-1.4.5-3.el6_5
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) libXfont-1.2.2-1.0.5.el5_10, libXfont-devel-1.2.2-1.0.5.el5_10, libXfont-devel-1.2.2-1.0.5.el5_10.i386
    • Red Hat Enterprise Linux HPC Node (v. 6) libXfont-1.4.5-3.el6_5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) libXfont-1.4.5-3.el6_5, libXfont-devel-1.4.5-3.el6_5
    • Red Hat Enterprise Linux Server (v. 6) libXfont-1.4.5-3.el6_5
    • Red Hat Enterprise Linux Server Optional (v. 6) libXfont-1.4.5-3.el6_5, libXfont-1.4.5-3.el6_5.ppc, libXfont-devel-1.4.5-3.el6_5 +1
    • Red Hat Enterprise Linux Workstation (v. 6) libXfont-1.4.5-3.el6_5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) libXfont-1.4.5-3.el6_5, libXfont-devel-1.4.5-3.el6_5

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2014:0018
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2014:0018
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:0018
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:0018
Not affected: 1 product
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-6462
  2. 2026-10-03 Alias added: GHSA-7vj8-7ww8-h9v6

References

Exploit 1

Advisory 6

Other 3

  • TI-2011-02548 The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in… CVSS 2.0HIGH 9.3
  • TI-2007-05009 A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact. CVSS 3.1CRITICAL 9.8
  • TI-2015-01621 The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and… CVSS 2.0HIGH 8.5
  • TI-2015-01620 The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and… CVSS 2.0HIGH 8.5
  • TI-2015-01619 The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and… CVSS 2.0HIGH 8.5
  • TI-2026-40398 libXfont2 computeProps Property Buffer Heap Buffer Overflow CVSS 3.1HIGH 8.8
See all 12 →

Sources

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