CVE search · CVE-2026-102560
CVE-2026-102560
critical 9.8
A flaw was found in libsoup. When the permessage-deflate WebSocket extension compresses a very large outgoing message, truncated size calculations used for GByteArray growth could wrap, causing zlib to write past the allocated buffer and resulting in a heap buffer overflow.
Details
- Status
- Modified
- Published
- Last changed
- Source
- secalert@redhat.com
- Weakness
- CWE-125
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | high 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
secalert@redhat.comSecondary |
| CVSS 3.1 | critical 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
References
- https://access.redhat.com/errata/RHSA-2026:83384Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:83618Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:93445
- https://access.redhat.com/errata/RHSA-2026:93446
- https://access.redhat.com/errata/RHSA-2026:93447
- https://access.redhat.com/errata/RHSA-2026:93583
- https://access.redhat.com/security/cve/CVE-2026-102560MitigationThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2543296Issue TrackingPatchThird Party Advisory