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Package "exim4-base"

Name: exim4-base

Description:

support files for all Exim MTA (v4) packages
Latest version: 4.98.2-1ubuntu2.3
Release: questing (25.10)
Level: security
Repository: main
Head package: exim4
Homepage: https://www.exim.org/

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Download "exim4-base"

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APT INSTALL

Other versions of "exim4-base" in Questing

Repository Area Version
base main 4.98.2-1ubuntu2
updates main 4.98.2-1ubuntu2.3

Changelog

Version: 4.98.2-1ubuntu2.3 2026-06-01 18:07:57 UTC

  exim4 (4.98.2-1ubuntu2.3) questing-security; urgency=medium

  * SECURITY UPDATE: information disclosure in PROXYv2 (LP: #2154366)
    - debian/patches/202605191-security.patch: Security: fix PROXYv2
      uninitialised-stack disclosure (EXIM-Security-2026-05-16.1) in
      src/proxy.c.
    - CVE number pending

 -- Marc Deslauriers <email address hidden> Wed, 27 May 2026 10:19:56 -0400
Source diff to previous version

Version: 4.98.2-1ubuntu2.2 2026-05-12 16:07:41 UTC

  exim4 (4.98.2-1ubuntu2.2) questing-security; urgency=medium

  * SECURITY UPDATE: one-byte write into freed buffer (LP: #2152202)
    - debian/patches/202605011-security.patch: TLS: on rxd close with CHUNKING
      active, clean the input processing stack in src/functions.h,
      src/smtp_in.c, src/tls-gnu.c, src/tls-openssl.c.
    - unknown

 -- Marc Deslauriers <email address hidden> Mon, 11 May 2026 19:29:03 +0200
Source diff to previous version
2152202 EXIM-Security-2026-05-01.1 security tracking bug

Version: 4.98.2-1ubuntu2.1 2026-05-04 15:36:11 UTC

  exim4 (4.98.2-1ubuntu2.1) questing-security; urgency=medium

  * SECURITY UPDATE: Multiple security issues
    - debian/patches/CVE-2026-4068x.patch: backported upstream fix.
    - CVE-2026-40685 - Possible OOB read/write on corrupt JSON in header
    - CVE-2026-40686 - Possible OOB read with large UTF8 trailing chars
    - CVE-2026-40687 - Possible OOB read/write with SPA authenticator

 -- Marc Deslauriers <email address hidden> Wed, 29 Apr 2026 12:53:45 -0400
CVE-2026-4068 The Add Custom Fields to Media plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.3. This is
CVE-2026-40685 In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrus
CVE-2026-40686 In Exim before 4.99.2, when utf8 operators are enabled, there is an out-of-bounds read if large UTF-8 trailing characters are present (malformed UTF-
CVE-2026-40687 In Exim before 4.99.2, when the SPA authentication driver is used with an adversarial SPA resource, there can be an out-of-bounds write that crashes


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