[ubuntu/focal-security] ncurses 6.2-0ubuntu2.1 (Accepted)

[Camila Camargo de Matos]

ncurses (6.2-0ubuntu2.1) focal-security; urgency=medium

  * SECURITY UPDATE: heap buffer overflow in the _nc_captoinfo function
    - debian/patches/CVE-2021-39537.patch: add a check for end-of-string in
      cvtchar to handle a malformed string in infotocap.
    - CVE-2021-39537
  * SECURITY UPDATE: out-of-bounds read in the convert_strings function
    - debian/patches/CVE-2022-29458.patch:add a limit-check to guard against
      corrupt terminfo data.
    - CVE-2022-29458
  * SECURITY UPDATE: memory corruption when processing malformed terminfo data
    entries loaded by setuid/setgid programs
    - debian/patches/CVE-2023-29491-mitigation.patch: change the
      --disable-root-environ configure option behavior.
    - debian/rules: set --disable-root-environ in configuration options.
    - debian/libtinfo5.symbols, debian/libtinfo6.symbols: add _nc_env_access
      to symbols files.
    - CVE-2023-29491
  * debian/patches/fix-off-by-one-loop-convert-strings.patch: correct an
    off-by-one loop-limit in convert_strings function.

Date: 2023-05-19 14:32:08.341821+00:00
Changed-By: Camila Camargo de Matos <camila.camargodematos at canonical.com>
https://launchpad.net/ubuntu/+source/ncurses/6.2-0ubuntu2.1
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