🛡️ CVE-2026-56968 — debian-linux
Description
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.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.
Affected software
CVE-2026-56968 is recorded against 2 packages.
- debian-linux
- sasl (fixed in 2.2.4)
Timeline and source
Published on 23 June 2026 and last revised on 31 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.
References
ftp.gnu.org
lists.debian.org
lists.gnu.org
www.gnu.org
lists.debian.org
Details
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| debian-linux | — | — |
| sasl | — | 2.2.4 |
References
Similar Threats
- Critical CVE-2022-0194
- High CVE-2022-0367
- Medium CVE-2022-0171
- High CVE-2022-0135
- High CVE-2022-0204
More CVE 2026 advisories
Browse all of CVE 2026 in the advisory index.
Exploit Protection
Are you running debian-linux?
CVE-2026-56968 carries CVSS 3.7 Low rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.
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