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Vulnerability record · CVE-2019-15943 · published 19 September 2019

CVE-2019-15943: Valvesoftware counter-strike\ out-of-bounds write vulnerability

Valvesoftware · Counter Strike\

vphysics.dll in Counter-Strike: Global Offensive before 1.37.1.1 allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled during a memset call.

8.8 CVSS 3.1 High EPSS 8.7% · top 5.0% CWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score, v2 6.8
8.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

vphysics.dll in Counter-Strike: Global Offensive before 1.37.1.1 allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled during a memset call.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/154705/Counter-Strike-Global-Offensive-Code-Execution-Denial-Of-Service.html
https://blog.counter-strike.net/index.php/category/updates/ Release Notes
https://github.com/bi7s/CVE/blob/master/CVE-2019-15943/README.md ExploitThird Party Advisory
http://packetstormsecurity.com/files/154705/Counter-Strike-Global-Offensive-Code-Execution-Denial-Of-Service.html
https://blog.counter-strike.net/index.php/category/updates/ Release Notes
https://github.com/bi7s/CVE/blob/master/CVE-2019-15943/README.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.3CVE-2019-15944Valvesoftware counter-strike\ vulnerabilityIn Counter-Strike: Global Offensive before 8/29/2019, community game servers can display unsafe HTML in a disconnection message.EPSS 0.96%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed8.8CVE-2026-87491Google Chrome V8 out-of-bounds write enables sandbox code executionChrome before 153.0.8010.36 contains an out-of-bounds write in the V8 JavaScript engine. A crafted HTML page can trigger the memory corruption, and b…KEVEPSS 3.1%analysed9.8CVE-2025-25249Fortinet FortiOS and FortiSwitchManager heap buffer overflow via crafted packetsA heap-based buffer overflow (CWE-122/CWE-787) in Fortinet FortiOS 6.4 through 7.6.3 and FortiSwitchManager 7.0 through 7.2.6 lets an unauthenticated…KEVEPSS 3.9%analysed7.8CVE-2026-53362Linux kernel IPv6 UDP paged allocation out-of-bounds write__ip6_append_data() in the Linux kernel mis-accounts fraggap on the paged-allocation path, leaving the linear skb area undersized while pagedlen is o…KEVEPSS 0.71%analysed7.8CVE-2022-0995Linux kernel watch_queue out-of-bounds writeThe Linux kernel's watch_queue event notification subsystem contains an out-of-bounds write (CWE-787) that can overwrite kernel state. A local user c…KEVEPSS 8.8%analysed8.8CVE-2026-11645Google Chrome V8 out-of-bounds read and write enables sandbox code executionGoogle Chrome before 149.0.7827.103 contains an out-of-bounds read and write in the V8 JavaScript engine. A crafted HTML page can trigger the memory …KEVEPSS 2.2%analysed9.3CVE-2026-0300PAN-OS User-ID Authentication Portal buffer overflow allows root code executionA buffer overflow (out-of-bounds write, CWE-787) in the User-ID Authentication Portal (Captive Portal) service of Palo Alto Networks PAN-OS lets an u…KEVEPSS 32%analysed

Source: NIST National Vulnerability Database (record CVE-2019-15943), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.