CVE-2026-102560
CRITICAL
INFO
Priority: 0.04
BB Relevance:
80/100
Published: 2026-09-29
Modified: 2026-10-22
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
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.
Weakness Classification (1)
Affected Software (5)
| Vendor | Product | Version |
|---|---|---|
| gnome | libsoup | < 3.7.3 |
| redhat | enterprise_linux | 7.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux | 10.0 |
References & Advisories (4)
Third Party Advisory
Third Party Advisory
Mitigation
Third Party Advisory
Issue Tracking
Patch
Third Party Advisory