ISOMAN

CVE

CVE-2026-56968

GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, which could result in memory disclosure via a crafted server.

Severity
LOW
CVSS
3.7
Published
Modified

Linked Releases

DistributionReleaseStatusEvidence
Debian13.5.0 amd64 netinstunknownsource
Debian13.5.0 amd64 edu netinstunknownsource
Debian13.5.0 amd64 mac netinstunknownsource
Debian13.5.0 arm64 netinstunknownsource
Debian13.5.0 amd64 dvd-1unknownsource
Debian13.5.0 arm64 dvd-1unknownsource
Debian13.5.0 amd64 live gnomeunknownsource
Debian13.5.0 amd64 live kdeunknownsource
Debian13.5.0 amd64 live cinnamonunknownsource
Debian13.5.0 amd64 live lxdeunknownsource
Debian13.5.0 amd64 live lxqtunknownsource
Debian13.5.0 amd64 live mateunknownsource
Debian13.5.0 amd64 live xfceunknownsource
Debian13.5.0 amd64 live standardunknownsource
Debian13.5.0 amd64 live debian-juniorunknownsource
Debian13.5.0 armhf netinstunknownsource
Debian13.5.0 ppc64el netinstunknownsource
Debian13.5.0 riscv64 netinstunknownsource
Debian13.5.0 s390x netinstunknownsource
Debian13.5.0 armhf dvd-1unknownsource
Debian13.5.0 ppc64el dvd-1unknownsource
Debian13.5.0 riscv64 dvd-1unknownsource
Debian13.5.0 s390x dvd-1unknownsource
Debian13.6.0 amd64 netinstunknownsource
Debian13.6.0 amd64 edu netinstunknownsource
Debian13.6.0 amd64 mac netinstunknownsource
Debian13.6.0 arm64 netinstunknownsource
Debian13.6.0 amd64 dvd-1unknownsource
Debian13.6.0 arm64 dvd-1unknownsource
Debian13.6.0 amd64 live gnomeunknownsource
Debian13.6.0 amd64 live kdeunknownsource
Debian13.6.0 amd64 live cinnamonunknownsource
Debian13.6.0 amd64 live lxdeunknownsource
Debian13.6.0 amd64 live lxqtunknownsource
Debian13.6.0 amd64 live mateunknownsource
Debian13.6.0 amd64 live xfceunknownsource
Debian13.6.0 amd64 live standardunknownsource
Debian13.6.0 amd64 live debian-juniorunknownsource
Debian13.6.0 armhf netinstunknownsource
Debian13.6.0 ppc64el netinstunknownsource
Debian13.6.0 riscv64 netinstunknownsource
Debian13.6.0 s390x netinstunknownsource
Debian13.6.0 armhf dvd-1unknownsource
Debian13.6.0 ppc64el dvd-1unknownsource
Debian13.6.0 riscv64 dvd-1unknownsource
Debian13.6.0 s390x dvd-1unknownsource

References

  1. https://ftp.gnu.org/gnu/gsasl/
  2. https://lists.debian.org/debian-security-announce/2026/msg00259.html
  3. https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.html
  4. https://www.gnu.org/software/gsasl/
  5. https://lists.debian.org/debian-lts-announce/2026/07/msg00049.html