high8.6
CVE-2026-102560
A flaw was found in libsoup. When the permessage-deflate WebSocket extension compresses a very...
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Gnome | Libsoup | before 3.7.3 |
| Redhat | Enterprise Linux | Versions 7.0, 8.0, 9.0, 10.0 |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services For SAP Solutions | All versions Version patch: 0:2.72.0-8.el9_4.17 |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services For SAP Solutions | All versions Version patch: 0:2.72.0-8.el9_2.18 |
| Red Hat | Red Hat Enterprise Linux 9 | All versions Version patch: 0:2.72.0-16.el9_8.8 |
| Red Hat | Red Hat Enterprise Linux 10 | All versions Version patch: 0:3.6.5-3.el10_2.20 |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | All versions Version patch: 0:2.72.0-10.el9_6.14 |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | All versions Version patch: 0:3.6.5-3.el10_0.19 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://access.redhat.com/errata/RHSA-2026:83384
- https://access.redhat.com/errata/RHSA-2026:83618
- https://access.redhat.com/security/cve/CVE-2026-102560
- https://bugzilla.redhat.com/show_bug.cgi?id=2543296
- https://github.com/advisories/GHSA-9v45-6jmj-gmwr
- https://nvd.nist.gov/vuln/detail/CVE-2026-102560
- https://access.redhat.com/errata/RHSA-2026:93445
- https://access.redhat.com/errata/RHSA-2026:93447
- https://access.redhat.com/errata/RHSA-2026:93446
- https://access.redhat.com/errata/RHSA-2026:93583