A flaw was identified in the NTLM authentication handling of the libsoup HTTP library, used by GNOME and other applications for network communication. When processing extremely long passwords, an internal size calculation can overflow due to improper use of signed integers. This results in incorrect memory allocation on the stack, followed by unsafe memory copying. As a result, applications using libsoup may crash unexpectedly, creating a denial-of-service risk.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 8.6NVD modified 2026-10-26 21:10
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 44
- https://access.redhat.com/errata/RHSA-2026:1948
- https://access.redhat.com/errata/RHSA-2026:2005
- https://access.redhat.com/errata/RHSA-2026:2006
- https://access.redhat.com/errata/RHSA-2026:2007
- https://access.redhat.com/errata/RHSA-2026:2008
- https://access.redhat.com/errata/RHSA-2026:2049
- https://access.redhat.com/errata/RHSA-2026:2182
- https://access.redhat.com/errata/RHSA-2026:2214
- https://access.redhat.com/errata/RHSA-2026:2215
- https://access.redhat.com/errata/RHSA-2026:2216
- https://access.redhat.com/errata/RHSA-2026:2396
- https://access.redhat.com/errata/RHSA-2026:2402
- https://access.redhat.com/errata/RHSA-2026:2512
- https://access.redhat.com/errata/RHSA-2026:2513
- https://access.redhat.com/errata/RHSA-2026:2514
- https://access.redhat.com/errata/RHSA-2026:2528
- https://access.redhat.com/errata/RHSA-2026:2529
- https://access.redhat.com/errata/RHSA-2026:2628
- https://access.redhat.com/errata/RHSA-2026:2844
- https://access.redhat.com/security/cve/CVE-2026-0719
- https://bugzilla.redhat.com/show_bug.cgi?id=2427906
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/477
- https://access.redhat.com/errata/RHSA-2026:1948
- https://access.redhat.com/errata/RHSA-2026:2005
- https://access.redhat.com/errata/RHSA-2026:2006
- https://access.redhat.com/errata/RHSA-2026:2007
- https://access.redhat.com/errata/RHSA-2026:2008
- https://access.redhat.com/errata/RHSA-2026:2049
- https://access.redhat.com/errata/RHSA-2026:2182
- https://access.redhat.com/errata/RHSA-2026:2214
- https://access.redhat.com/errata/RHSA-2026:2215
- https://access.redhat.com/errata/RHSA-2026:2216
- https://access.redhat.com/errata/RHSA-2026:2396
- https://access.redhat.com/errata/RHSA-2026:2402
- https://access.redhat.com/errata/RHSA-2026:2512
- https://access.redhat.com/errata/RHSA-2026:2513
- https://access.redhat.com/errata/RHSA-2026:2514
- https://access.redhat.com/errata/RHSA-2026:2528
- https://access.redhat.com/errata/RHSA-2026:2529
- https://access.redhat.com/errata/RHSA-2026:2628
- https://access.redhat.com/errata/RHSA-2026:2844
- https://access.redhat.com/security/cve/CVE-2026-0719
- https://bugzilla.redhat.com/show_bug.cgi?id=2427906
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0719.json