CVE-2007-4642

Exp

Multiple buffer overflows in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allow remote attackers to execute arbitrary code via a long chat (PKT_CHAT) message that is not properly handled by the (1) D_NetPlayerEvent function in d_net.c or the (2) Msg_Write function in net_msg.c, or (3) many commands that are not properly handled by the NetSv_ReadCommands function in d_netsv.c; or (4) cause a denial of service (daemon crash) via a chat (PKT_CHAT) message without a final '\0' character.

Published: 2007-08-31 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4642 is rated High Exploit Risk (83.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 16.31%, 97th percentile). Core evidence: 4 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-2007-4642

EDB-ID Source Kind Published Link
30543 exploit_db edb 2007-08-29 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-4642

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 29.88% 16.31% -13.57%
2 2026-04-19 29.10% 29.88% +0.77%
3 2025-06-19 29.10%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4642

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2007-4642

OS Trackers for CVE-2007-4642

vendor priority summary link
gentoo high CVE-2007-4642: 1 GLSA(s) (200802-02), 1 atom(s) (games-fps/doomsday); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-4642

Affected software / configurations for CVE-2007-4642

Vendor Product Version Raw CPE
doomsday doomsday <= 1.9.0_beta5.1 cpe:2.3:a:doomsday:doomsday:*:*:*:*:*:*:*:*

References for CVE-2007-4642

cvelogic Threat Intelligence