CVE-2007-5199

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-01. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
80.5%
KEV
Not listed

Published

August 18, 2017

Last Modified

May 13, 2026

Advisory Details (2)

Auto-updated Jun 21, 2026
Patch available.
generic

catalogue.c: prevent a one character overflow - xorg/lib/libXfont - X font handling library for server & utilities (mirrored from https://gitlab.freedesktop.org/xorg/lib/libxfont)

https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=5bf703700ee4a5d6eae20da07cb7a29369667aef
generic Patch Available

327854 – (CVE-2007-5199) VUL-0: CVE-2007-5199: xorg-x11-libs: off by 1 in libXfont 1.3.1

https://bugzilla.suse.com/show_bug.cgi?id=327854

Data Freshness Timeline

(refreshed 10× in last 7d / 40× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:22 UTCEPSS rescore
  2. 2026-07-06 02:19 UTCEPSS rescore
  3. 2026-07-05 02:26 UTCEPSS rescore
  4. 2026-07-04 06:27 UTCEPSS rescore
  5. 2026-07-04 06:27 UTCEPSS rescore
  6. 2026-07-02 14:00 UTCEPSS rescore
  7. 2026-07-01 15:02 UTCEPSS rescore
  8. 2026-07-01 15:02 UTCEPSS rescore
  9. 2026-06-30 23:19 UTCEPSS rescore
  10. 2026-06-30 23:19 UTCEPSS rescore
  11. 2026-06-29 14:02 UTCEPSS rescore
  12. 2026-06-29 14:02 UTCEPSS rescore
  13. 2026-06-28 14:03 UTCEPSS rescore
  14. 2026-06-28 04:52 UTCEPSS rescore
  15. 2026-06-27 03:04 UTCEPSS rescore
  16. 2026-06-25 13:46 UTCEPSS rescore
  17. 2026-06-25 13:46 UTCEPSS rescore
  18. 2026-06-24 14:02 UTCEPSS rescore
  19. 2026-06-24 14:02 UTCEPSS rescore
  20. 2026-06-23 21:29 UTCEPSS rescore
  21. 2026-06-23 21:29 UTCEPSS rescore
  22. 2026-06-22 14:22 UTCEPSS rescore
  23. 2026-06-21 14:53 UTCEPSS rescore
  24. 2026-06-20 03:12 UTCOSV refresh
  25. 2026-06-19 19:22 UTCEPSS rescore
Show 73 more
  1. 2026-06-19 19:22 UTCEPSS rescore
  2. 2026-06-18 17:49 UTCEPSS rescore
  3. 2026-06-18 17:49 UTCEPSS rescore
  4. 2026-06-17 17:49 UTCEPSS rescore
  5. 2026-06-17 17:49 UTCEPSS rescore
  6. 2026-06-16 17:49 UTCEPSS rescore
  7. 2026-06-16 17:49 UTCEPSS rescore
  8. 2026-06-16 17:49 UTCEPSS rescore
  9. 2026-06-15 17:44 UTCEPSS rescore
  10. 2026-06-13 22:57 UTCEPSS rescore
  11. 2026-06-12 23:08 UTCEPSS rescore
  12. 2026-06-10 22:14 UTCEPSS rescore
  13. 2026-06-10 13:17 UTCEPSS rescore
  14. 2026-06-08 14:13 UTCEPSS rescore
  15. 2026-06-07 15:21 UTCEPSS rescore
  16. 2026-06-06 13:44 UTCEPSS rescore
  17. 2026-06-06 13:44 UTCEPSS rescore
  18. 2026-06-05 22:44 UTCEPSS rescore
  19. 2026-06-05 22:44 UTCEPSS rescore
  20. 2026-06-05 06:07 UTCEPSS rescore
  21. 2026-06-04 13:09 UTCEPSS rescore
  22. 2026-06-04 13:09 UTCEPSS rescore
  23. 2026-06-04 13:09 UTCEPSS rescore
  24. 2026-06-02 20:10 UTCEPSS rescore
  25. 2026-06-02 20:10 UTCEPSS rescore
  26. 2026-06-01 13:49 UTCEPSS rescore
  27. 2026-06-01 13:49 UTCEPSS rescore
  28. 2026-06-01 13:49 UTCEPSS rescore
  29. 2026-05-31 22:28 UTCEPSS rescore
  30. 2026-05-31 22:28 UTCEPSS rescore
  31. 2026-05-31 04:25 UTCOSV refresh
  32. 2026-05-31 00:13 UTCEPSS rescore
  33. 2026-05-31 00:13 UTCEPSS rescore
  34. 2026-05-29 13:40 UTCEPSS rescore
  35. 2026-05-28 13:42 UTCEPSS rescore
  36. 2026-05-28 13:42 UTCEPSS rescore
  37. 2026-05-28 13:42 UTCEPSS rescore
  38. 2026-05-27 13:38 UTCEPSS rescore
  39. 2026-05-27 13:37 UTCEPSS rescore
  40. 2026-05-27 13:37 UTCEPSS rescore
  41. 2026-05-26 13:41 UTCEPSS rescore
  42. 2026-05-26 13:41 UTCEPSS rescore
  43. 2026-05-26 07:16 UTCEPSS rescore
  44. 2026-05-26 07:16 UTCEPSS rescore
  45. 2026-05-24 16:42 UTCEPSS rescore
  46. 2026-05-22 21:15 UTCEPSS rescore
  47. 2026-05-22 21:15 UTCEPSS rescore
  48. 2026-05-21 22:38 UTCEPSS rescore
  49. 2026-05-20 22:36 UTCEPSS rescore
  50. 2026-05-20 22:36 UTCEPSS rescore
  51. 2026-05-20 11:20 UTCEPSS rescore
  52. 2026-05-20 11:20 UTCEPSS rescore
  53. 2026-05-20 11:09 UTCEG score recompute
  54. 2026-05-20 11:09 UTCGHSA enrichment
  55. 2026-05-20 07:13 UTCEG score recompute
  56. 2026-05-20 07:13 UTCGHSA enrichment
  57. 2026-05-20 03:17 UTCEG score recompute
  58. 2026-05-20 03:17 UTCGHSA enrichment
  59. 2026-05-19 23:21 UTCEG score recompute
  60. 2026-05-19 23:21 UTCGHSA enrichment
  61. 2026-05-19 19:25 UTCEG score recompute
  62. 2026-05-19 19:25 UTCGHSA enrichment
  63. 2026-05-19 15:29 UTCEG score recompute
  64. 2026-05-19 15:29 UTCGHSA enrichment
  65. 2026-05-19 11:33 UTCEG score recompute
  66. 2026-05-19 11:33 UTCGHSA enrichment
  67. 2026-05-19 07:36 UTCEG score recompute
  68. 2026-05-19 07:36 UTCGHSA enrichment
  69. 2026-05-19 03:40 UTCEG score recompute
  70. 2026-05-19 03:40 UTCGHSA enrichment
  71. 2026-05-18 23:45 UTCEG score recompute
  72. 2026-05-18 21:29 UTCEPSS rescore
  73. 2026-05-18 21:29 UTCEPSS rescore

Frequently asked(5)

What is CVE-2007-5199?
CVE-2007-5199 is a critical vulnerability published on August 18, 2017. A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact.
When was CVE-2007-5199 disclosed?
CVE-2007-5199 was first published in the National Vulnerability Database on August 18, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-5199 actively exploited?
CVE-2007-5199 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2007-5199?
CVE-2007-5199 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2007-5199?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-5199, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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