https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 06 Oct 2026 22:19:04 +0000 https://cve.radiocsirt.org/vuln/euvd-2026-339729 EUVD-2026-339729 https://cve.radiocsirt.org/vuln/euvd-2026-339729 https://cve.radiocsirt.org/vuln/fkie_cve-2026-59144 <p>Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elem_size in ring_read_seq.</p> <p>The attach-time validator ring_validate_header checks the capacity-overflow and total_size consistency of the header but never caps elem_size against the destination size. ring_read_seq does memcpy(out, ring_slot(h, seq), elem_size) with elem_size read raw from the mmap&#39;d segment, copying into a fixed 8-byte destination scalar. An elem_size larger than 8 bytes writes past the destination.</p> <p>A local peer that can write the backing file can leave the header valid while setting a large elem_size, so the next read copies a file-controlled length into the fixed 8-byte stack buffer, corrupting adjacent stack frames.</p> <p>Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elem_size in ring_read_seq.</p> <p>The attach-time validator ring_validate_header checks the capacity-overflow and total_size consistency of the header but never caps elem_size against the destination size. ring_read_seq does memcpy(out, ring_slot(h, seq), elem_size) with elem_size read raw from the mmap&#39;d segment, copying into a fixed 8-byte destination scalar. An elem_size larger than 8 bytes writes past the destination.</p> <p>A local peer that can write the backing file can leave the header valid while setting a large elem_size, so the next read copies a file-controlled length into the fixed 8-byte stack buffer, corrupting adjacent stack frames.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-59144 https://cve.radiocsirt.org/vuln/ghsa-jxx5-5g59-8f3j <p>Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elem_size in ring_read_seq.</p> <p>The attach-time validator ring_validate_header checks the capacity-overflow and total_size consistency of the header but never caps elem_size against the destination size. ring_read_seq does memcpy(out, ring_slot(h, seq), elem_size) with elem_size read raw from the mmap&#39;d segment, copying into a fixed 8-byte destination scalar. An elem_size larger than 8 bytes writes past the destination.</p> <p>A local peer that can write the backing file can leave the header valid while setting a large elem_size, so the next read copies a file-controlled length into the fixed 8-byte stack buffer, corrupting adjacent stack frames.</p> <p>Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elem_size in ring_read_seq.</p> <p>The attach-time validator ring_validate_header checks the capacity-overflow and total_size consistency of the header but never caps elem_size against the destination size. ring_read_seq does memcpy(out, ring_slot(h, seq), elem_size) with elem_size read raw from the mmap&#39;d segment, copying into a fixed 8-byte destination scalar. An elem_size larger than 8 bytes writes past the destination.</p> <p>A local peer that can write the backing file can leave the header valid while setting a large elem_size, so the next read copies a file-controlled length into the fixed 8-byte stack buffer, corrupting adjacent stack frames.</p> https://cve.radiocsirt.org/vuln/ghsa-jxx5-5g59-8f3j