[CLSA-2026:1779369819] Fix CVE(s): CVE-2026-40686, CVE-2026-40687
Type:
security
Severity:
Critical
Release date:
2026-05-21 13:23:43 UTC
Description:
* SECURITY UPDATE: heap read out-of-bounds in UTF-8 expansion - debian/patches/CVE-2026-40686.patch: harden ${from_utf8:} expansion operator against malformed UTF-8 trailing bytes. - CVE-2026-40686 * SECURITY UPDATE: SPA authenticator buffer hardening - debian/patches/CVE-2026-40687.patch: zero spa_base64_to_bits output buffer and replace static 1024-byte buffers in unicodeToString, strToUnicode, toString with dynamic store_get allocations sized to input. - CVE-2026-40687
Updated packages:
  • exim4_4.90.1-1ubuntu1.10+tuxcare.els6_all.deb
    sha:44b696ae8deedad20164b2fb07f4b69aa8077300
  • exim4-base_4.90.1-1ubuntu1.10+tuxcare.els6_amd64.deb
    sha:f299e7cd6501f7d9a41e9430b0e00905d6895448
  • exim4-config_4.90.1-1ubuntu1.10+tuxcare.els6_all.deb
    sha:b1fb9c6ce628678db592cbed95ee76db1c787e24
  • exim4-daemon-heavy_4.90.1-1ubuntu1.10+tuxcare.els6_amd64.deb
    sha:d96b3fae32e07916e37ebeb81463ed5ceab915b5
  • exim4-daemon-light_4.90.1-1ubuntu1.10+tuxcare.els6_amd64.deb
    sha:71dc46f7290983024eb933574a806a5c0d5b5585
  • exim4-dev_4.90.1-1ubuntu1.10+tuxcare.els6_amd64.deb
    sha:368627291c198ae0bedcbcce48cec763dfed5159
  • eximon4_4.90.1-1ubuntu1.10+tuxcare.els6_amd64.deb
    sha:4bb1fa7d9d2a1efbc3046ec9a8541f6f3991fefe
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the CloudLinux Packaging Team.