CVE-2007-2437

Exp

The X render (Xrender) extension in X.org X Window System 7.0, 7.1, and 7.2, with Xserver 1.3.0 and earlier, allows remote authenticated users to cause a denial of service (daemon crash) via crafted values to the (1) XRenderCompositeTrapezoids and (2) XRenderAddTraps functions, which trigger a divide-by-zero error.

Published: 2007-05-02 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-2437 is rated High Exploit Risk (69.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.40%, 90th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-2437

EDB-ID Source Kind Published Link
29939 exploit_db edb 2007-05-01 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-2437

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.76% 4.40% +0.64%
2 2026-02-06 3.43% 3.76% +0.32%
3 2025-12-19 3.43%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-2437

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 2.0 MEDIUM
AV:A/AC:L/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
5.1 6.9 [email protected]

Weakness enumeration for CVE-2007-2437

OS Trackers for CVE-2007-2437

vendor priority summary link
debian unimportant CVE-2007-2437 unimportant priority: Debian including 1 source packages (xorg-server), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-2437
gentoo high CVE-2007-2437: 1 GLSA(s) (201301-01), 14 atom(s) (dev-libs/nss, mail-client/mozilla-thunderbird, …); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-2437
redhat https://access.redhat.com/security/cve/CVE-2007-2437
ubuntu medium CVE-2007-2437 medium priority: Ubuntu including 1 source packages (xorg-server), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): ignored 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-2437

Vendor comments (NVD) for CVE-2007-2437

  • Red Hat (2007-05-25T00:00:00)

    Red Hat does not consider a user assisted client crash such as this to be a security flaw.

Affected software / configurations for CVE-2007-2437

Vendor Product Version Raw CPE
x.org x_window_system 7.0 cpe:2.3:a:x.org:x_window_system:7.0:*:*:*:*:*:*:*
x.org x_window_system 7.1 cpe:2.3:a:x.org:x_window_system:7.1:*:*:*:*:*:*:*
x.org x_window_system 7.2 cpe:2.3:a:x.org:x_window_system:7.2:*:*:*:*:*:*:*
x.org xserver <= 1.3.0 cpe:2.3:a:x.org:xserver:*:*:*:*:*:*:*:*

References for CVE-2007-2437

cvelogic Threat Intelligence