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Vulnerability record · CVE-2007-1862 · published 4 June 2007

CVE-2007-1862: Apache http server vulnerability

Apache · Http Server

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.

5.0 CVSS 2.0 Medium EPSS 6.1% · top 6.8%
5.0CVSS 2.0 base score
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
60References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.gentoo.org/show_bug.cgi?id=186219
http://httpd.apache.org/security/vulnerabilities_22.html
http://issues.apache.org/bugzilla/show_bug.cgi?id=41551
http://osvdb.org/38641
http://people.apache.org/~covener/2.2.x-mod_memcache-poolmgmt.diff
http://secunia.com/advisories/26273
http://secunia.com/advisories/26842
http://secunia.com/advisories/27563
http://security.gentoo.org/glsa/glsa-200711-06.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2007:127
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html
http://www.redhat.com/archives/fedora-package-announce/2007-September/msg00320.html
http://www.securityfocus.com/bid/24553
http://www.vupen.com/english/advisories/2007/2231
http://www.vupen.com/english/advisories/2007/2727
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r652fc951306cdeca5a276e2021a34878a76695a9f3cfb6490b4a6840%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/reb542d2038e9c331506e0cbff881b47e40fbe2bd93ff00979e60cdf7%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org
http://bugs.gentoo.org/show_bug.cgi?id=186219
http://httpd.apache.org/security/vulnerabilities_22.html
http://issues.apache.org/bugzilla/show_bug.cgi?id=41551
http://osvdb.org/38641
http://people.apache.org/~covener/2.2.x-mod_memcache-poolmgmt.diff
http://secunia.com/advisories/26273
http://secunia.com/advisories/26842
http://secunia.com/advisories/27563
http://security.gentoo.org/glsa/glsa-200711-06.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2007:127

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Source: NIST National Vulnerability Database (record CVE-2007-1862), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.