The recall_headers function in mod_mem_cache in Apache 2.2.4 does not properly copy all levels of header data, which can cause Apache to return HTTP headers containing previously used data, which could be used by remote attackers to obtain potentially sensitive information.
CVE-2007-1862
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 5%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 91.4%
- KEV
- Not listed
Published
June 4, 2007
Last Modified
April 23, 2026
References (60)
- secalert@redhathttp://bugs.gentoo.org/show_bug.cgi?id=186219
- secalert@redhathttp://httpd.apache.org/security/vulnerabilities_22.html
- secalert@redhathttp://issues.apache.org/bugzilla/show_bug.cgi?id=41551
- secalert@redhathttp://osvdb.org/38641
- secalert@redhathttp://people.apache.org/~covener/2.2.x-mod_memcache-poolmgmt.diff
- secalert@redhathttp://secunia.com/advisories/26273
- secalert@redhathttp://secunia.com/advisories/26842
- secalert@redhathttp://secunia.com/advisories/27563
- secalert@redhathttp://security.gentoo.org/glsa/glsa-200711-06.xml
- secalert@redhathttp://www.mandriva.com/security/advisories?name=MDKSA-2007:127
- secalert@redhathttp://www.mandriva.com/security/advisories?name=MDVSA-2013:150
- secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html
- secalert@redhathttp://www.redhat.com/archives/fedora-package-announce/2007-September/msg00320.html
- secalert@redhathttp://www.securityfocus.com/bid/24553
- secalert@redhathttp://www.vupen.com/english/advisories/2007/2231
Data Freshness Timeline
(refreshed 4× in last 7d / 34× 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.
- 2026-07-13 22:25 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2007-1862?
CVE-2007-1862 is a none vulnerability published on June 4, 2007. The recallheaders function in modmem_cache in Apache 2.2.4 does not properly copy all levels of header data, which can cause Apache to return HTTP headers containing previously used data, which could be used by remote attackers to obtain potentially sensitive information.
When was CVE-2007-1862 disclosed?
CVE-2007-1862 was first published in the National Vulnerability Database on June 4, 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-2007-1862 actively exploited?
CVE-2007-1862 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-1862?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-1862, 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.
Dependency Blast Radius
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