Linux · SUSE Linux Enterprise · Security advisory · November 7, 2026
SUSE-SU-2026:4703-1: libsoup2 security update
SUSE-SU-2026:4703-1, released November 7, 2026, fixes 15 CVEs in libsoup2 (version 2.74.3-150600.4.42.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
15
None rated Critical
Exploited
0
None reported
Highest CVSS
8.6
Base score, 0 to 10
Highest EPSS
0.0075
55th percentile
Priority of the 15 CVEs
Patch now 0
Urgent 0
High 6
Routine 9
Fixed package versions
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-15711 | Libsoup: soupwebsocketconnection: libsoup: websocket remote denial of service via oversized control frame protocol violation | 7.5 | 0.0075 | None reported |
| High | CVE-2026-102559 | Libsoup: libsoup: heap buffer overflow during websocket client-frame masking | 8.6 | 0.0063 | None reported |
| High | CVE-2026-102558 | Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth | 8.6 | 0.0060 | None reported |
| High | CVE-2026-102560 | Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth | 8.6 | 0.0052 | None reported |
| High | CVE-2026-102556 | Libsoup: libsoup: heap buffer overflow from websocket pong signal type confusion | 8.6 | 0.0047 | None reported |
| High | CVE-2026-102557 | Libsoup: libsoup: heap buffer overflow during websocket message reassembly | 8.6 | 0.0047 | None reported |
| Routine | CVE-2026-77680 | libsoup2: quadratic CPU denial of service in HTTP Range coalescing after the CVE-2025-32907 fix (bsc#1276759). | n/a | 0.0050 | None reported |
| Routine | CVE-2026-15714 | Libsoup: soupmultipartinputstream: libsoup: out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string | 6.5 | 0.0039 | None reported |
| Routine | CVE-2026-15713 | Libsoup: soupcache: libsoup: http/2 frame window exhaustion remote denial of service via memory leak | 5.9 | 0.0035 | None reported |
| Routine | CVE-2026-2708 | Libsoup: libsoup: http request smuggling via duplicate content-length headers | 3.7 | 0.0032 | None reported |
| Routine | CVE-2026-12548 | gir1.2-soup-2.4: A heap out-of-bounds read flaw was found in libsoup | n/a | 0.0025 | None reported |
| Routine | CVE-2026-66339 | libsoup: proxy credentials leak to destination server via `Proxy-Authorization` header in CONNECT tunnels | n/a | 0.0025 | None reported |
| Routine | CVE-2026-103399 | Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body | 5.3 | 0.0025 | None reported |
| Routine | CVE-2026-77014 | Libsoup: libsoup: integer truncation in sort_ranges() comparator causes silent omission of http range responses | 5.3 | 0.0023 | None reported |
| Routine | CVE-2026-12547 | Libsoup: information disclosure in libsoup via soupauthmanager proxy credential leak on proxy switch | 3.4 | 0.0023 | None reported |
Showing 1 to 15 of 15
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