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5.3Media

CVE-2026-48840

Exim Exim Publicada: (hace 5 meses)

Descripción

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.

Debilidad (CWE): CWE-839

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
Exim Exim 4.88 – < 4.99.4

Referencias y parches

Coincidencias CPE (NVD) (1)
  • cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* ≥ 4.88 < 4.99.4

CVE recientes del mismo producto — Exim

4.0Media
CVE-2026-94057
Exim Exim

Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.

7.5Alta
CVE-2026-94056
Exim Exim

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from stack memory.

3.7Baja
CVE-2026-94055
Exim Exim

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.

7.0Alta
CVE-2026-94054
Exim Exim

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write.

7.4Alta
CVE-2026-66141
Exim Exim

Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.

8.4Alta
CVE-2026-66140
Exim Exim

Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled.