LI
Product
Libsoup
by Gnome · last CVE Sep 29, 2026
35
CVEs
0
On KEV
9.8
Max CVSS
6
New 30D
Severity mix
Critical 5High 12Medium 16Low 0
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Add Libsoup to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-102560
9.8
0%
Sep 29
Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth
Affected: before 3.7.3
CVE-2019-17266
9.8
3%
Oct 6
libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's…
Affected: 2.65.1 before 2.66.4; 2.67.1 through 2.68.1
CVE-2018-12910
9.8
4%
Jul 5
The get_cookies function in soup-cookie-jar.c in libsoup 2.63.2 allows attackers to have unspecified impact via an empty hostname
Affected: 2.63.2
CVE-2017-2885
9.8
23%
Apr 24
An exploitable stack based buffer overflow vulnerability exists in the GNOME libsoup 2.58
Affected: 2.58
CVE-2026-2369
9.1
0%
Mar 19
A flaw was found in libsoup
Affected: All versions, or not specified
CVE-2026-102559
8.6
0%
Sep 29
Libsoup: libsoup: heap buffer overflow during websocket client-frame masking
Affected: before 3.7.3
CVE-2026-102558
8.6
0%
Sep 29
Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth
Affected: before 3.7.3
CVE-2026-102557
8.6
0%
Sep 29
Libsoup: libsoup: heap buffer overflow during websocket message reassembly
Affected: before 3.7.3
CVE-2026-102556
8.6
0%
Sep 29
Libsoup: libsoup: heap buffer overflow from websocket pong signal type confusion
Affected: before 3.7.3
CVE-2026-102555
8.2
0%
Sep 29
Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding
Affected: before 3.7.3
CVE-2026-5119
8.2
0%
Mar 30
Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment
Affected: All versions, or not specified
CVE-2026-2436
8.2
0%
Mar 26
A flaw was found in libsoup's SoupServer
Affected: All versions, or not specified
CVE-2026-4271
7.5
1%
Mar 17
A flaw was found in libsoup, a library for handling HTTP requests
Affected: All versions, or not specified
CVE-2024-52532
7.5
1%
Nov 11
GNOME libsoup before 3.6.1 has an infinite loop, and memory consumption
Affected: before 3.6.1
CVE-2024-52530
7.5
1%
Nov 11
GNOME libsoup before 3.6.0 allows HTTP request smuggling in some configurations because '\0' characters at the end of header names are ignored, i.e., a "Transfer-Encoding\0:…
Affected: before 3.6.0
CVE-2026-3099
7.3
0%
Mar 12
A flaw was found in Libsoup
Affected: All versions, or not specified
CVE-2026-66338
7.2
0%
Jul 24
Libsoup: libsoup: http request smuggling via permissive chunk-size parsing in soup_body_input_stream_read_chunked()
Affected: All versions, or not specified
CVE-2026-66337
6.5
0%
Jul 24
Libsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_read_until()
Affected: All versions, or not specified
CVE-2026-66339
6.5
0%
Jul 24
Libsoup: libsoup: proxy credentials leak to destination server via proxy-authorization header in connect tunnels
Affected: All versions, or not specified
CVE-2026-3634
6.5
0%
Mar 17
A flaw was found in libsoup
Affected: All versions, or not specified
CVE-2026-3633
6.5
0%
Mar 17
A flaw was found in libsoup
Affected: All versions, or not specified
CVE-2026-1801
6.5
0%
Feb 3
A flaw was found in libsoup, an HTTP client/server library
Affected: All versions, or not specified
CVE-2025-2784
6.5
1%
Apr 3
A flaw was found in libsoup
Affected: before 3.6.5
CVE-2024-52531
6.5
1%
Nov 11
GNOME libsoup before 3.6.1 allows a buffer overflow in applications that perform conversion to UTF-8 in soup_header_parse_param_list_strict
Affected: before 3.6.1
CVE-2018-11713
6.5
2%
Jun 4
WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ prior to version 2.20.0 or without libsoup 2.62.0,…
Affected: before 2.62.0
CVE-2026-1539
5.8
0%
Jan 28
A flaw was found in the libsoup HTTP library that can cause proxy authentication credentials to be sent to unintended destinations
Affected: All versions, or not specified
CVE-2026-3632
5.5
0%
Mar 17
A flaw was found in libsoup, a library used by applications to send network requests
Affected: All versions, or not specified
CVE-2026-2708
5.3
0%
Apr 23
Libsoup: libsoup: http request smuggling via duplicate content-length headers
Affected: All versions, or not specified
CVE-2026-2443
5.3
0%
Feb 13
A flaw was identified in libsoup, a widely used HTTP library in GNOME-based systems
Affected: All versions, or not specified
CVE-2026-1536
5.3
0%
Jan 28
A flaw was found in libsoup
Affected: All versions, or not specified
CVE-2026-1467
5.3
0%
Jan 27
A flaw was found in libsoup, an HTTP client library
Affected: All versions, or not specified
CVE-2026-12549
4.8
0%
Jun 22
Libsoup: incomplete fix for cve-2026-2443: range suffix overflow in libsoup soupserver
Affected: All versions, or not specified
CVE-2026-12548
4.2
0%
Jul 21
Libsoup: heap out-of-bounds read in libsoup due to integer truncation
Affected: All versions, or not specified
CVE-2012-2132
–
2%
Aug 20
libsoup 2.32.2 and earlier does not validate certificates or clear the trust flag when the ssl-ca-file does not exist, which allows remote attackers to bypass authentication by…
Affected: 2.32.2
CVE-2011-2524
–
2%
Aug 31
Directory traversal vulnerability in soup-uri.c in SoupServer in libsoup before 2.35.4 allows remote attackers to read arbitrary files via a %2e%2e (encoded dot dot) in a URI
Affected: through 2.35.3; 2.0; 2.2; 2.2.0; 2.2.1; 2.2.2; +34 more
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