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Vulnerability record · CVE-2017-8773 · published 4 May 2017

CVE-2017-8773: Quickheal antivirus pro out-of-bounds write vulnerability

Quickheal · Antivirus Pro

Quick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Out of Bounds Write on a Heap Buffer due to improper validation of dwCompressionSize of Microsoft WIM Header WIMHEADER_V1_PACKED. This vulnerability can be exploited to gain Remote Code Execution as well as Privilege Escalation.

9.8 CVSS 3.1 Critical EPSS 2.3% · top 17.2% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 7.5
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Quick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Out of Bounds Write on a Heap Buffer due to improper validation of dwCompressionSize of Microsoft WIM Header WIMHEADER_V1_PACKED. This vulnerability can be exploited to gain Remote Code Execution as well as Privilege Escalation.

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

Affected products

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

References

LinkTags
http://payatu.com/oob-write-heap-buffer-dwcompressionsize-ms-wim/ Third Party Advisory
http://payatu.com/oob-write-heap-buffer-dwcompressionsize-ms-wim/ Third Party Advisory

Track CVE-2017-8773 inside VULONE

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Related vulnerabilities

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

9.8CVE-2017-8774Quickheal antivirus pro out-of-bounds write vulnerabilityQuick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Memory Corru…EPSS 1.2%9.8CVE-2017-8775Quickheal antivirus pro out-of-bounds write vulnerabilityQuick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Memory Corru…EPSS 1.2%9.8CVE-2017-5005Quickheal antivirus pro out-of-bounds write vulnerabilityStack-based buffer overflow in Quick Heal Internet Security 10.1.0.316 and earlier, Total Security 10.1.0.316 and earlier, and AntiVirus Pro 10.1.0.3…EPSS 9.5%7.8CVE-2025-69875Quickheal total security improper privilege management vulnerabilityA vulnerability exists in Quick Heal Total Security 23.0.0 in the quarantine management component where insufficient validation of restore paths and …EPSS 0.11%7.8CVE-2020-9362Quickheal antivirus for server interpretation conflict vulnerabilityThe Quick Heal AV parsing engine (November 2019) allows virus-detection bypass via a crafted GPFLAG in a ZIP archive. This affects Total Security, Ho…EPSS 1.5%7.8CVE-2018-8090Quickheal antivirus pro uncontrolled search path element vulnerabilityQuick Heal Total Security 64 bit 17.00 (QHTS64.exe), (QHTSFT64.exe) - Version 10.0.1.38; Quick Heal Total Security 32 bit 17.00 (QHTS32.exe), (QHTSFT…EPSS 1.2%7.5CVE-2017-8776Quickheal antivirus pro vulnerabilityQuick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 have approximately 165 PE file…EPSS 0.93%7.5CVE-2015-8285Quickheal total security memory buffer overflow vulnerabilityThe webssx.sys driver in QuickHeal 16.00 allows remote attackers to cause a denial of service.EPSS 5.5%

Source: NIST National Vulnerability Database (record CVE-2017-8773), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.