CVE-2006-7087: CRLF injection vulnerability in the mail function in Dotdeb PHP before 5.2.0 Rev 3 allows remote attackers to

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-7087 is a medium-severity flaw (CVSS 5.0) affecting dotdeb php. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CRLF injection vulnerability in the mail function in Dotdeb PHP before 5.2.0 Rev 3 allows remote attackers to bypass the protection scheme and inject arbitrary email headers via CRLF sequences in the query string, which is processed via the PHP_SELF variable.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Published	2007-03-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: dotdeb

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-03-02 21:18 UTCPublished CVE record published
2026-06-16 22:34 UTCUpdated Record last modified

dotdeb dotdeb php DOWNGRADE

Affected: 4.4 · 4.4.3 · 4.4.4 · 5.0 · 5.1 · 5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.4

1. Check installed version

apt-cache policy dotdeb-php || rpm -q dotdeb-php || dotdeb-php --version

2. No fixed release: DOWNGRADE to a release before 4.4 (Debian / Ubuntu)

apt-cache madison dotdeb-php sudo apt install dotdeb-php=<VERSION_BEFORE_4.4> sudo apt-mark hold dotdeb-php

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dotdeb-php sudo dnf downgrade dotdeb-php-<VERSION_BEFORE_4.4> sudo dnf versionlock add dotdeb-php

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-7087?

dotdeb php: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-7087 being exploited?

CVE-2006-7087 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-7087 affect?

CVE-2006-7087 affects dotdeb php. Severity is medium (CVSS 5.0). CRLF injection vulnerability in the mail function in Dotdeb PHP before 5.2.0 Rev 3 allows remote attackers to bypass the protection scheme and inject arbitrary email headers via CRLF sequences in the query string, which is processed via the

How urgent is CVE-2006-7087?

Priority 37/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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