https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 06 Oct 2026 21:51:39 +0000 https://db.gcve.eu/vuln/fkie_cve-2025-57632 <p>libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v-&gt;niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDUs to overflow v-&gt;niov and perform heap out-of-bounds writes, causing memory corruption, crashes, and potentially arbitrary code execution. The SMB2_OPLOCK_BREAK path bypasses message ID validation.</p> <p>libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v-&gt;niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDUs to overflow v-&gt;niov and perform heap out-of-bounds writes, causing memory corruption, crashes, and potentially arbitrary code execution. The SMB2_OPLOCK_BREAK path bypasses message ID validation.</p> https://db.gcve.eu/vuln/fkie_cve-2025-57632 https://db.gcve.eu/vuln/ghsa-h8w6-x833-p4x4 <p>libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v-&gt;niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDUs to overflow v-&gt;niov and perform heap out-of-bounds writes, causing memory corruption, crashes, and potentially arbitrary code execution. The SMB2_OPLOCK_BREAK path bypasses message ID validation.</p> <p>libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v-&gt;niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDUs to overflow v-&gt;niov and perform heap out-of-bounds writes, causing memory corruption, crashes, and potentially arbitrary code execution. The SMB2_OPLOCK_BREAK path bypasses message ID validation.</p> https://db.gcve.eu/vuln/ghsa-h8w6-x833-p4x4 https://db.gcve.eu/vuln/ubuntu-cve-2025-57632 <p><strong>Affected:</strong> Ubuntu:25.10: libsmb2, Ubuntu:26.04:LTS: libsmb2</p> <p>libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v-&gt;niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDUs to overflow v-&gt;niov and perform heap out-of-bounds writes, causing memory corruption, crashes, and potentially arbitrary code execution. The SMB2_OPLOCK_BREAK path bypasses message ID validation.</p> <p><strong>Affected:</strong> Ubuntu:25.10: libsmb2, Ubuntu:26.04:LTS: libsmb2</p> <p>libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v-&gt;niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDUs to overflow v-&gt;niov and perform heap out-of-bounds writes, causing memory corruption, crashes, and potentially arbitrary code execution. The SMB2_OPLOCK_BREAK path bypasses message ID validation.</p> https://db.gcve.eu/vuln/ubuntu-cve-2025-57632