CVE-2007-1863

NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 12%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

cache_util.c in the mod_cache module in Apache HTTP Server (httpd), when caching is enabled and a threaded Multi-Processing Module (MPM) is used, allows remote attackers to cause a denial of service (child processing handler crash) via a request with the (1) s-maxage, (2) max-age, (3) min-fresh, or (4) max-stale Cache-Control headers without a value.

CVSS v3
—
EG Score
0.0(none)
EPSS
95.6%
KEV
Not listed

Published

June 27, 2007

Last Modified

April 23, 2026

References (130)

Vendor Advisories for CVE-2007-1863(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(6)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuapache2-mpm-prefork (2.2.3-3.2ubuntu0.1) @ feisty2026-05-31ubuntu
redhatxml-commons-0:1.3.02-2jpp_1rh2010-08-04redhat
redhathttpd-0:2.0.59-1.el4s1.72007-07-13redhat
redhathttpd-0:2.0.46-67.ent2007-06-27redhat
redhathttpd-0:2.0.52-32.2.ent2007-06-26redhat
redhathttpd-0:2.2.3-7.el52007-06-26redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 6× in last 7d / 30× 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. 2026-07-05 02:26 UTCEPSS rescore
  2. 2026-07-04 06:27 UTCEPSS rescore
  3. 2026-07-04 06:26 UTCEPSS rescore
  4. 2026-07-02 14:00 UTCEPSS rescore
  5. 2026-07-01 15:02 UTCEPSS rescore
  6. 2026-07-01 15:02 UTCEPSS rescore
  7. 2026-06-30 23:18 UTCEPSS rescore
  8. 2026-06-29 14:02 UTCEPSS rescore
  9. 2026-06-29 14:02 UTCEPSS rescore
  10. 2026-06-28 14:02 UTCEPSS rescore
  11. 2026-06-28 04:52 UTCEPSS rescore
  12. 2026-06-25 13:46 UTCEPSS rescore
  13. 2026-06-25 13:46 UTCEPSS rescore
  14. 2026-06-24 14:02 UTCEPSS rescore
  15. 2026-06-24 14:01 UTCEPSS rescore
  16. 2026-06-23 21:29 UTCEPSS rescore
  17. 2026-06-23 21:29 UTCEPSS rescore
  18. 2026-06-21 01:56 UTCEPSS rescore
  19. 2026-06-21 01:56 UTCEPSS rescore
  20. 2026-06-21 01:56 UTCEPSS rescore
  21. 2026-06-19 23:23 UTCOSV refresh
  22. 2026-06-18 17:49 UTCEPSS rescore
  23. 2026-06-18 17:49 UTCEPSS rescore
  24. 2026-06-17 17:49 UTCEPSS rescore
  25. 2026-06-17 17:49 UTCEPSS rescore
Show 42 more
  1. 2026-06-16 17:49 UTCEPSS rescore
  2. 2026-06-16 17:49 UTCEPSS rescore
  3. 2026-06-15 17:44 UTCEPSS rescore
  4. 2026-06-14 23:13 UTCEPSS rescore
  5. 2026-06-12 23:08 UTCEPSS rescore
  6. 2026-06-07 15:21 UTCEPSS rescore
  7. 2026-06-07 15:21 UTCEPSS rescore
  8. 2026-06-06 13:44 UTCEPSS rescore
  9. 2026-06-06 13:44 UTCEPSS rescore
  10. 2026-06-05 22:44 UTCEPSS rescore
  11. 2026-06-05 22:44 UTCEPSS rescore
  12. 2026-06-04 13:09 UTCEPSS rescore
  13. 2026-06-04 13:09 UTCEPSS rescore
  14. 2026-06-02 20:10 UTCEPSS rescore
  15. 2026-06-02 20:10 UTCEPSS rescore
  16. 2026-06-01 13:49 UTCEPSS rescore
  17. 2026-06-01 13:49 UTCEPSS rescore
  18. 2026-05-31 22:28 UTCEPSS rescore
  19. 2026-05-31 22:28 UTCEPSS rescore
  20. 2026-05-31 02:04 UTCEG score recompute
  21. 2026-05-31 02:04 UTCVendor advisory
  22. 2026-05-31 02:04 UTCGHSA enrichment
  23. 2026-05-31 00:13 UTCEPSS rescore
  24. 2026-05-31 00:13 UTCEPSS rescore
  25. 2026-05-29 13:40 UTCEPSS rescore
  26. 2026-05-28 13:42 UTCEPSS rescore
  27. 2026-05-28 13:42 UTCEPSS rescore
  28. 2026-05-27 13:37 UTCEPSS rescore
  29. 2026-05-27 13:37 UTCEPSS rescore
  30. 2026-05-26 13:41 UTCEPSS rescore
  31. 2026-05-26 13:41 UTCEPSS rescore
  32. 2026-05-24 16:42 UTCEPSS rescore
  33. 2026-05-23 19:35 UTCOSV refresh
  34. 2026-05-22 21:15 UTCEPSS rescore
  35. 2026-05-22 21:15 UTCEPSS rescore
  36. 2026-05-22 21:15 UTCEPSS rescore
  37. 2026-05-21 22:38 UTCEPSS rescore
  38. 2026-05-20 22:36 UTCEPSS rescore
  39. 2026-05-20 11:20 UTCEPSS rescore
  40. 2026-05-20 11:20 UTCEPSS rescore
  41. 2026-05-18 21:29 UTCEPSS rescore
  42. 2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2007-1863?
CVE-2007-1863 is a none vulnerability published on June 27, 2007. cacheutil.c in the modcache module in Apache HTTP Server (httpd), when caching is enabled and a threaded Multi-Processing Module (MPM) is used, allows remote attackers to cause a denial of service (child processing handler crash) via a request with the (1) s-maxage, (2) max-age, (3) min-fresh, or…
When was CVE-2007-1863 disclosed?
CVE-2007-1863 was first published in the National Vulnerability Database on June 27, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-1863 actively exploited?
CVE-2007-1863 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-1863?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-1863, 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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