PT-2026-23860 · Xlnt · Xlnt

Oneafter · Publicado 2026-03-07 · Atualizado 2026-03-10 · CVE-2026-3664

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions xlnt versions up to 1.6.1

Description An issue exists in the xlnt library, specifically within the xlnt::detail::compound document::read directory function located in the source/detail/cryptography/compound document.cpp file. This relates to the Encrypted XLSX File Parser component and can lead to an out-of-bounds read condition. The issue is restricted to local execution and has been publicly disclosed.

Recommendations Apply patch 147 to resolve this issue.

Exploit

Correção

Buffer Overflow

Out of bounds Read

Enumeração de Fraquezas

CWE-119

CWE-125

Identificadores relacionados

CVE-2026-3664

Produtos afetados

Xlnt

Referências · 15

• 🔥 https://github.com/oneafter/0128/blob/main/xl5/repro · Exploit
• https://github.com/xlnt-community/xlnt/pull/147 · Correção
• https://github.com/xlnt-community/xlnt/issues/141 · Aviso do Fabricante
• https://twitter.com/CVEnew/status/2030339316501950481 · Publicação no Twitter
• https://t.me/cveNotify/154983 · Publicação no Telegram
• https://twitter.com/VulmonFeeds/status/2030303990777340218 · Publicação no Twitter
• https://twitter.com/cyberbivash/status/2030317519492255824 · Publicação no Twitter
• https://osv.dev/vulnerability/CVE-2026-3664 · Aviso do Fabricante
• https://github.com/xlnt-community/xlnt · Nota
• https://t.me/cveNotify/154597 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2026-3664 · Nota de Segurança
• https://t.me/CVEtracker/46725 · Publicação no Telegram
• https://vuldb.com/?submit.764646 · Nota
• https://vuldb.com/?ctiid.349553 · Nota
• https://vuldb.com/?id.349553 · Nota