PT-2026-22509 · Wren · Wren

Oneafter · Publicado 2026-03-01 · Atualizado 2026-03-05 · CVE-2026-3387

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 wren-lang wren versions up to 0.4.0

Description A flaw exists in the getByteCountForArguments function within the src/vm/wren compiler.c file. This can lead to a null pointer dereference. Local access is needed for exploitation. The details of the issue have been publicly disclosed.

Recommendations Versions prior to 0.4.0 should be used. As a temporary workaround, consider restricting access to the getByteCountForArguments() function until a patch is available.

Exploit

Correção

Improper Resource Release

NULL Pointer Dereference

Enumeração de Fraquezas

CWE-404

CWE-476

Identificadores relacionados

CVE-2026-3387

Produtos afetados

Wren

Referências · 14

• 🔥 https://github.com/oneafter/0122/blob/main/i1220/repro · Exploit
• https://github.com/wren-lang/wren/issues/1220 · Aviso do Fabricante
• https://twitter.com/infoflowcloud/status/2028068076202205356 · Publicação no Twitter
• https://twitter.com/VulmonFeeds/status/2028063801317159321 · Publicação no Twitter
• https://vuldb.com/?ctiid.348273 · Nota
• https://vuldb.com/?submit.761312 · Nota
• https://vuldb.com/?id.348273 · Nota
• https://t.me/CVEtracker/46061 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2026-3387 · Aviso do Fabricante
• https://t.me/cveNotify/153666 · Publicação no Telegram
• https://t.me/cveNotify/154250 · Publicação no Telegram
• https://github.com/wren-lang/wren · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-3387 · Nota de Segurança
• https://twitter.com/CVEnew/status/2028067070055956481 · Publicação no Twitter