CVE-2007-4643
CVE-2007-4643 is a medium-severity vulnerability in Doomsday with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Doomsday
- Published:
- Last modified:
Description
Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.
Frequently asked questions
- What is CVE-2007-4643?
- Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.
- How severe is CVE-2007-4643?
- CVE-2007-4643 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2007-4643 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-4643?
- CVE-2007-4643 affects Doomsday. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2007-4643?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2007-4643 published?
- CVE-2007-4643 was published on 2007-08-31 and last updated on 2026-06-16.
References
- http://aluigi.org/poc/dumsdei.zip
- http://bugs.gentoo.org/show_bug.cgi?id=190835
- http://secunia.com/advisories/26524
- http://secunia.com/advisories/28821
- http://security.gentoo.org/glsa/glsa-200802-02.xml
- http://securityreason.com/securityalert/3084
- http://www.securityfocus.com/archive/1/478077/100/0/threaded
- http://www.securityfocus.com/bid/25483
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36338
Affected products (1)
- cpe:2.3:a:doomsday:doomsday:*:*:*:*:*:*:*:*
More vulnerabilities in Doomsday
- CVE-2007-4642 — Critical (CVSS 10.0): Multiple buffer overflows in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allow remote attackers to execute arbitrary…
- CVE-2007-4644 — High (CVSS 7.5): Format string vulnerability in the Cl_GetPackets function in cl_main.c in the client in Doomsday (aka deng)…
- CVE-2006-1618 — High (CVSS 7.5): Format string vulnerability in the (1) Con_message and (2) conPrintf functions in con_main.c in Doomsday engine 1.8.6…
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