Libsoup
Vendor:
First CVE: Aug 31, 2011 · Active for 14 years
25
Total CVEs
More Total CVEs than 95% of tracked products
3.6
Avg CVEs / Year
Higher CVE frequency than 83% of tracked products
7.0
Avg CVSS
Higher Avg CVSS than 40% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Libsoup over time
Volume of CVEsAvg CVSS Base Score
First CVE
Aug 31, 2011
14 years ago
Most Recent CVE
Jun 22, 2026
33 days ago
CVE Severity & Scoring
Libsoup25 CVEs
56%
28%
16%
All CVEs352,427 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local1 (4.0%)
Network22 (88.0%)
Unknown2 (8.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low22 (88.0%)
High1 (4.0%)
Unknown2 (8.0%)
User Interaction
None21 (84.0%)
Unknown2 (8.0%)
Required2 (8.0%)
Privileges Required
Low1 (4.0%)
High0 (0.0%)
None22 (88.0%)
Unknown2 (8.0%)
Top CVEs
Signals from CVEs in this product scope (25 CVEs).
25 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2017-2885CRITICAL An exploitable stack based buffer overflow vulnerability exists in the GNOME libsoup 2.58. A specially crafted HTTP request can cause a stack overflow resulting in remote code exec | Apr 24, 2018 | 9.8 | 37 | NO | NO |
CVE-2018-12910CRITICAL The get_cookies function in soup-cookie-jar.c in libsoup 2.63.2 allows attackers to have unspecified impact via an empty hostname. | Jul 5, 2018 | 9.8 | 31 | NO | NO |
CVE-2026-2369CRITICAL A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker | Mar 19, 2026 | 9.1 | 30 | NO | NO |
CVE-2019-17266CRITICAL 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 lengt | Oct 6, 2019 | 9.8 | 30 | NO | NO |
CVE-2026-5119HIGH A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT | Mar 30, 2026 | 8.2 | 29 | NO | NO |
CVE-2026-2436HIGH A flaw was found in libsoup's SoupServer. A remote attacker could exploit a use-after-free vulnerability where the `soup_server_disconnect()` function frees connection objects prem | Mar 26, 2026 | 8.2 | 27 | NO | NO |
CVE-2026-4271HIGH A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can | Mar 17, 2026 | 7.5 | 27 | NO | NO |
CVE-2026-3099HIGH A flaw was found in Libsoup. The server-side digest authentication implementation in the SoupAuthDomainDigest class does not properly track issued nonces or enforce the required in | Mar 12, 2026 | 7.3 | 25 | NO | NO |
CVE-2026-3634MEDIUM A flaw was found in libsoup. An attacker controlling the value used to set the Content-Type header can inject a Carriage Return Line Feed (CRLF) sequence due to improper input sani | Mar 17, 2026 | 6.5 | 24 | NO | NO |
CVE-2026-3633MEDIUM A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the `soup_message_new()` function, could inject arbitrary headers and additional request data | Mar 17, 2026 | 6.5 | 24 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (25 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (25 CVEs).
Media Mentions
Signals from CVEs in this product scope (25 CVEs).
Top CNAs Publishing CVEs For Libsoup
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 2.63.2 | 1 | 9.8 | 4.2% | 0 | 0 |
| 2.58 | 1 | 9.8 | 24.3% | 0 | 0 |
| 2.4.1 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.4.0 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.34.1 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.34.0 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.3.4 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.33.92 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.33.90 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.33.6 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.33.5 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.33.4 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.32.2 | 2 | 5.0 | 1.7% | 0 | 0 |
| 2.32.1 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.32.0 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.3.2 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.31.92 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.31.90 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.31.6 | 1 | 5.0 | 1.9% | 0 | 0 |
| 2.31.2 | 1 | 5.0 | 1.9% | 0 | 0 |