Vulnerability · CVE-2007-2401
CRLF injection vulnerability in WebCore in Apple Mac OS X 10.3.9, 10.4.9 and later, and iPhone before 1.0.1, allows remote attackers to inject arbitrary HTTP headers v…
Published Jun 25, 2007 · catalog updated Jun 16, 2026 · Apple mac os x
Check if you run it
No confirmed exploitation is on record for CVE-2007-2401. EPSS is 7.06%. Act only if a listed version of Apple mac os x is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium4.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 7.06%
- Remediation
- Advisory link
- Affected products
- cpe apple/mac os x · cpe apple/mac os x server
CRLF injection vulnerability in WebCore in Apple Mac OS X 10.3.9, 10.4.9 and later, and iPhone before 1.0.1, allows remote attackers to inject arbitrary HTTP headers via LF characters in an XMLHttpRequest request, which are not filtered when serializing headers via the setRequestHeader function. NOTE: this issue can be leveraged for cross-site scripting (XSS) attacks.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apple/mac os x10.3.9
- cpe apple/mac os x10.4.9
- cpe apple/mac os x server10.3.9
- cpe apple/mac os x server10.4.9
How to fix CVE-2007-2401
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2007-2401. EPSS is 7.06%. Act only if a listed version of Apple mac os x is installed.
Which versions are affected?
Compare what you have installed with apple/mac os x 10.3.9; apple/mac os x 10.4.9; apple/mac os x server 10.3.9; apple/mac os x server 10.4.9. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-79: Cross-site Scripting (XSS). EPSS 7.06%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 25, 2007 · Apple Security Releases
Detected
CRLF injection vulnerability in WebCore in Apple Mac OS X 10.3.9, 10.4.9 and later, and iPhone before 1.0.1, allows remote attackers to inject arbitrary HTTP headers via LF characters in an XMLHttpRequest request, which are not filtered when serializing headers via the setRequestHeader function. NOTE: this issue can be leveraged for cross-site scripting (XSS) attacks.
Jun 16, 2026 · Apple Security Releases
Updated
CRLF injection vulnerability in WebCore in Apple Mac OS X 10.3.9, 10.4.9 and later, and iPhone before 1.0.1, allows remote attackers to inject arbitrary HTTP headers via LF characters in an XMLHttpRequest request, which are not filtered when serializing headers via the setRequestHeader function. NOTE: this issue can be leveraged for cross-site scripting (XSS) attacks.
Sources
- Apple Security ReleasesVendor advisoryCVE-2007-2401
CRLF injection vulnerability in WebCore in Apple Mac OS X 10.3.9, 10.4.9 and later, and iPhone before 1.0.1, allows remote attackers to inject arbitrary HTTP headers via LF characters in an XMLHttpRequest request, which are not filtered when serializing headers via the setRequestHeader function. NOTE: this issue can be leveraged for cross-site scripting (XSS) attacks.
nvd.nist.gov - CVE.orgVulnerability recordCVE-2007-2401
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2007-2401
30-day exploitation probability 7.06%
first.org - Exploit DatabasePublic exploit reference30228
Public exploit archive reference. This is not confirmation of exploitation. The exploit body is not stored here.
exploit-db.com
References
Freshness
Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.