{"vulnerability": "cve-2026-20339", "sightings": [{"uuid": "d0e8fdb0-7ee9-40d8-ae96-48fd42f448a6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20339", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mskw66h3xi2h", "content": "\ud83d\udfe0 CVE-2026-20339 - High (7.5)\n\nA vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-20339/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-08-08T11:02:49.972965Z"}, {"uuid": "8b5c4f1b-ae4a-4bed-a495-41e346985c7a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20339", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117061228074947093", "content": "CVE-2026-20339 - ClamAV PESpin integer overflow, memory corruption DoS. CVSS 7.5. Unpatched. Update/limit scanning exposure. #CVE #Cisco #infosec\nhttps://www.valtersit.com/cve/CVE-2026-20339/", "creation_timestamp": "2026-08-08T18:09:47.471708Z"}, {"uuid": "7531e480-8ef2-454a-8141-6c90929d6eb3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20339", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mslo5f75ms2p", "content": "CVE-2026-20339 - ClamAV PESpin integer overflow, memory corruption DoS. CVSS 7.5. Unpatched. Update/limit scanning exposure. #CVE #Cisco #infosec\n\nhttps://www.valtersit.com/cve/CVE-2026-20339/", "creation_timestamp": "2026-08-08T18:09:47.739214Z"}, {"uuid": "91dd1ad8-cb1c-4b00-935e-4f8a196378c2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-20339", "type": "seen", "source": "https://infosec.exchange/users/AAKL/statuses/117055491493877536", "content": "CISA has added one vulnerability to the KEV catalogue:\nCVE-2026-8037: Progress LoadMaster Command Injection Vulnerability https://www.cve.org/CVERecord?id=CVE-2026-8037 #CISA \nCisco:\nNEW: CVE-2026-20337, CVE-2026-20338, and CVE-2026-20339: ClamAV Vulnerabilities Affecting Cisco Products: August 2026 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-WuuvVd26 #Cisco \nPalo Alto:\nCRITICAL, NEW: CVE-2026-0288 PAN-OS: Buffer Overflow Vulnerabilities in User-ID Terminal Server Agent https://security.paloaltonetworks.com/CVE-2026-0288 \nMicrosoft:\nSeveral updates for a slew of vulnerabilities were posted today on the Microsoft Update Guide: https://msrc.microsoft.com/update-guide/ #Microsoft \nGoogle:\nNew: Chrome Dev for Android Update https://chromereleases.googleblog.com/ #Google #Chrome \nBroadcom:\nOne new advisory for a high-severity vulnerability that was first published on July 23 https://support.broadcom.com/web/ecx/security-advisory\nPosted yesterday:\nApple security updates https://support.apple.com/en-us/100100 #Apple \nAMD: Safe RET Interrupt Vulnerability https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7061.html #AMD \nDell:\nCRITICAL, last updated yesterday: Dell PowerMaxOS, Dell PowerMax EEM, Dell Unisphere for PowerMax, Dell Solutions Enabler Security Update for Multiple Vulnerabilities https://www.dell.com/support/kbdoc/en-us/000483543/dsa-2026-272-dell-powermaxos-dell-powermax-eem-dell-unisphere-for-powermax-dell-unisphere-for-powermax-virtualappliance-dell-unisphere-360-dell-solutionsenabler-and-dell-solutionsenabler-virtualappliance-security-update-for-multiple-vulnerabilities #Dell #infosec #vulnerability #Java #SQL", "creation_timestamp": "2026-08-07T17:50:55.178548Z"}]}