Libsoup
59 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Libsoup, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.
Libsoup CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 3 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 18 |
| 2025-05 | 3 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 1 |
| 2025-10 | 1 |
| 2025-11 | 0 |
| 2025-12 | 1 |
| 2026-01 | 5 |
| 2026-02 | 4 |
| 2026-03 | 8 |
| 2026-04 | 1 |
| 2026-05 | 1 |
| 2026-06 | 1 |
| 2026-07 | 4 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 59 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical4
- High16
- Medium34
- Low5
Latest CVEs
The 15 most recently published vulnerabilities affecting Libsoup.
- CVE-2026-66337Libsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_read_until()6.5
- CVE-2026-66338Libsoup: libsoup: http request smuggling via permissive chunk-size parsing in soup_body_input_stream_read_chunked()5.4
- CVE-2026-66339Libsoup: libsoup: proxy credentials leak to destination server via proxy-authorization header in connect tunnels6.5
- CVE-2026-12548Libsoup: heap out-of-bounds read in libsoup due to integer truncation4.2
- CVE-2026-12549Libsoup: incomplete fix for cve-2026-2443: range suffix overflow in libsoup soupserver4.8
- CVE-2026-6324Libsoup: libsoup: http request smuggling via unsigned to signed conversion error4.8
- CVE-2026-2708Libsoup: libsoup: http request smuggling via duplicate content-length headers3.7
- CVE-2026-5119Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment5.9
- CVE-2026-2436Libsoup: libsoup: denial of service via use-after-free in soupserver during tls handshake6.5
- CVE-2026-2369Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources6.5
- CVE-2026-4271Libsoup: libsoup: denial of service via use-after-free in http/2 server5.3
- CVE-2026-3633Libsoup: libsoup: header and http request injection via crlf injection3.9
- CVE-2026-3634Libsoup: libsoup: http header injection and response splitting via crlf injection in content-type header3.9
- CVE-2026-3632Libsoup: libsoup: http smuggling and server-side request forgery via malformed hostnames3.9
- CVE-2026-3099Libsoup: libsoup: authentication bypass via digest authentication replay attack5.8
Product grouping is registry-driven, with AI assist and human review. How it works