ZDF
Sign inSign up

Vulnerabilities

Vulnerability · SUSE-SU-2026:4703-1

Security update for libsoup2

Published Oct 16, 2026 · catalog updated Oct 17, 2026 · Security update for libsoup2

Open the advisory

Exploitation likelihood is not on this record for SUSE-SU-2026:4703-1. A missing EPSS score is not a low risk. Compare Security update for libsoup2 with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Security update for libsoup2).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
SUSE:Linux Enterprise Module for Basesys libsoup2 · SUSE:Linux Enterprise Server 15 SP6-LTSS libsoup2 · SUSE:Linux Enterprise Server for SAP App libsoup2

This update for libsoup2 fixes the following issues: - CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch (bsc#1272195). - CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446). - CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote denial of service via memory leak (bsc#1271448). - CVE-2026-15714: SoupMultipartInputStream: libsoup: Out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string (bsc#1271449). - CVE-2026-66339: proxy credentials leak to destination server via header in CONNECT tunnels (bsc#1273156). - CVE-2026-77014: Integer truncation in sort_ranges() comparator causes silent omission of HTTP Range responses (bsc#1275988). - CVE-2026-77680: quadratic CPU denial of service in HTTP Range coalescing after the CVE-2025-32907 fix (bsc#1276759). - CVE-2026-102556: Heap buffer overflow from WebSocket Pong signal type confusion (bsc#1283300). - CVE-2026-102557: Heap buffer overflow during WebSocket message reassembly (bsc#1283301). - CVE-2026-102558: Heap buffer overflow during WebSocket receive-buffer growth (bsc#1283302). - CVE-2026-102559: Heap buffer overflow during WebSocket client-frame masking (bsc#1283303). - CVE-2026-102560: Heap buffer overflow during outgoing permessage-deflate buffer growth (bsc#1283304). - CVE-2026-103399: incomplete request body draining in HTTP/1.x early responses can allow HTTP request smuggling (bsc#1283831).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • SUSE:Linux Enterprise Module for Basesys libsoup20 → 2.74.3-150600.4.42.1
  • SUSE:Linux Enterprise Server 15 SP6-LTSS libsoup20 → 2.74.3-150600.4.42.1
  • SUSE:Linux Enterprise Server for SAP App libsoup20 → 2.74.3-150600.4.42.1

How to fix SUSE-SU-2026:4703-1

  • Recommended remediation

    A patch or advisory reference is linked. Open the original publisher for availability by product version.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for SUSE-SU-2026:4703-1. A missing EPSS score is not a low risk. Compare Security update for libsoup2 with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 2.74.3-150600.4.42.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    This update for libsoup2 fixes the following issues: - CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch (bsc#1272195). - CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446). - CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote

  2. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    libsoup2 fixed in 2.74.3-150600.4.42.1; libsoup2 fixed in 2.74.3-150600.4.42.1; libsoup2 fixed in 2.74.3-150600.4.42.1

  3. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    libsoup2 fixed in 2.74.3-150600.4.42.1

  4. Oct 17, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    This update for libsoup2 fixes the following issues: - CVE-2026-12547: Header 'Proxy-Authorization' leads to credentials being send to different proxy after proxy switch (bsc#1272195). - CVE-2026-15711: SoupWebsocketConnection: WebSocket remote denial of service via oversized control frame protocol violation (bsc#1271446). - CVE-2026-15713: SoupCache: libsoup: HTTP/2 frame window exhaustion remote

Sources

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.