{"vulnerability": "cve-2026-15340", "sightings": [{"uuid": "08c58f6a-8b50-433d-946e-59e977640bac", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-15340", "type": "seen", "source": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-279-02", "content": "", "creation_timestamp": "2026-10-06T05:00:00.000000Z"}, {"uuid": "faeefedf-e5e3-424a-8a91-dc092278a347", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-15340", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/fyh53fgbffzmv", "content": "CVE-2026-15340 - Savannah lwIP SMTP client Classic Buffer Overflow\nCVE ID : CVE-2026-15340\n \n Published : Oct. 9, 2026, 2:52 p.m. | 27\u00a0minutes ago\n \n Description : lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.\n \n Severity: 9.8 | CR...", "creation_timestamp": "2026-10-09T15:50:29.563162Z"}, {"uuid": "3292acb6-f0d5-4890-918d-99bc21526d99", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-15340", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mxhebx4yw62n", "content": "\ud83d\udea8 CVE-2026-15340 \u2014 CVSS 9.3 CRITICAL\n\nlwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-15340\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-10-09T16:08:41.675947Z"}, {"uuid": "7dc38172-98d1-4ce9-aa15-5bde7e1aca1c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-15340", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mxhyviippt2b", "content": "\ud83d\udd34 CVE-2026-15340 - Critical (9.8)\n\nlwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-15340/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-10-09T22:17:32.765989Z"}, {"uuid": "333e88a0-9b41-4281-a16f-864730ba1971", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-15340", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mxi6mw4tmh2w", "content": "CVE-2026-15340 - lwip smtp client\nThe SMTP client component of the lwIP library used in Debian does not verify how much data it receives, which could let an attacker cause the program to write beyond its\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#savannah #Debian12 #CVE #infosec", "creation_timestamp": "2026-10-10T00:00:07.813178Z"}, {"uuid": "8ee2ce98-c775-4575-9f10-13d6ed225252", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-15340", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/117416265567544896", "content": "\u26a0\ufe0f There is a new vulnerability with elevated criticality in Savannah lwIP (CVE-2026-15340) https://vuldb.com/vuln/415931", "creation_timestamp": "2026-10-10T11:00:29.245797Z"}]}