[CLSA-2026:1786451206] Fix CVE(s): CVE-2026-56407, CVE-2026-56408, CVE-2026-56409
Type:
security
Severity:
Important
Release date:
2026-08-11 12:26:59 UTC
Description:
* SECURITY UPDATE: Integer overflow in doProlog related to storeEntityValue and entity textLen (libexpat before 2.8.2) - debian/patches/CVE-2026-56407.patch: cap the entity value pool length at INT_MAX before assigning it to the signed ENTITY::textLen in doProlog - CVE-2026-56407 * SECURITY UPDATE: Integer overflow in copyString (libexpat before 2.8.2) - debian/patches/CVE-2026-56408.patch: reject lengths above SIZE_MAX / sizeof(XML_Char) before sizing the copy, closing the multiplication overflow in wide-character (libexpatw) builds - CVE-2026-56408 * SECURITY UPDATE: Integer overflow for the output filename in xmlwf when -d outputDir is used (libexpat before 2.8.2) - debian/patches/CVE-2026-56409.patch: check the output path join for addition and multiplication overflow, and check the malloc result, before writing the joined path - CVE-2026-56409
Updated packages:
  • expat_2.2.6-2+deb10u7+tuxcare.els7_amd64.deb
    sha:2af011dd0737524aa45277b59e3d3d6411e21935
  • libexpat1_2.2.6-2+deb10u7+tuxcare.els7_amd64.deb
    sha:8c71dc6c66fb00d3a59c56d4dcb30bc965ba6045
  • libexpat1-dev_2.2.6-2+deb10u7+tuxcare.els7_amd64.deb
    sha:5bdeae0ff990a8e8259284230f73595e5c82ff8f
Notes:
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