MO
Product
mongoose
61
CVEs
0
On KEV
9.8
Max CVSS
4
New 30D
Severity mix
Critical 23High 22Medium 12Low 4
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Add mongoose to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-5244 | 9.8 | Apr 2 | Cesanta Mongoose TLS 1.3 mongoose.c mg_tls_recv_cert heap-based overflow Affected: 7.0; 7.1; 7.2; 7.3; 7.4; 7.5; +15 more |
| CVE-2024-42383 | 9.8 | Nov 18 | Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows to write a NULL byte value beyond the memory space dedicated for the hostname field Affected: through 7.14 |
| CVE-2020-25756 | 9.8 | Sep 18 | A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking Affected: 6.18 |
| CVE-2019-19307 | 9.8 | Nov 26 | An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by… Affected: 6.16 |
| CVE-2019-12951 | 9.8 | Jun 24 | An issue was discovered in Mongoose before 6.15 Affected: before 6.15 |
| CVE-2018-20356 | 9.8 | Jun 10 | An invalid read of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library… Affected: through 6.13 |
| CVE-2018-20355 | 9.8 | Jun 10 | An invalid write of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library… Affected: through 6.13 |
| CVE-2018-20354 | 9.8 | Jun 10 | An invalid read of 8 bytes due to a use-after-free vulnerability during a "return" in the mg_http_get_proto_data function in mongoose.c in Cesanta Mongoose Embedded Web Server… Affected: through 6.13 |
| CVE-2018-20353 | 9.8 | Jun 10 | An invalid read of 8 bytes due to a use-after-free vulnerability during a "NULL test" in the mg_http_get_proto_data function in mongoose.c in Cesanta Mongoose Embedded Web Server… Affected: through 6.13 |
| CVE-2017-2922 | 9.8 | Nov 7 | An exploitable memory corruption vulnerability exists in the Websocket protocol implementation of Cesanta Mongoose 6.8 Affected: 6.8 |
| CVE-2017-2921 | 9.8 | Nov 7 | An exploitable memory corruption vulnerability exists in the Websocket protocol implementation of Cesanta Mongoose 6.8 Affected: 6.8 |
| CVE-2017-2894 | 9.8 | Nov 7 | An exploitable stack buffer overflow vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8 Affected: 6.8 |
| CVE-2017-2892 | 9.8 | Nov 7 | An exploitable arbitrary memory read vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8 Affected: 6.8 |
| CVE-2017-2891 | 9.8 | Nov 7 | An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8 Affected: 6.8 |
| CVE-2026-73253 | 9.1 | Aug 20 | Mongoose: TLS Hostname Verification Bypass via Overly Permissive Wildcard Matching Affected: < 7.22 |
| CVE-2026-73256 | 9.1 | Aug 20 | Mongoose: HTTP/1.0 detection off-by-one enables request smuggling via chunked TE Affected: < 7.22 |
| CVE-2026-73251 | 9.1 | Aug 20 | Mongoose Built-in TLS: CA-bundle certificate chain accepted without any signature verification Affected: < 7.23 |
| CVE-2026-73257 | 9.1 | Aug 20 | Mongoose: Content-Length + Transfer-Encoding coexistence enables request smuggling Affected: < 7.22 |
| CVE-2021-26530 | 9.1 | Feb 8 | The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 (compiled with OpenSSL support) is vulnerable to remote OOB write attack via connection request after exhausting… Affected: 7.0 |
| CVE-2021-26529 | 9.1 | Feb 8 | The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 and 6.7-6.18 (compiled with mbedTLS support) is vulnerable to remote OOB write attack via connection request after… Affected: 6.7 through 6.18; 7.0 |
| CVE-2021-26528 | 9.1 | Feb 8 | The mg_http_serve_file function in Cesanta Mongoose HTTP server 7.0 is vulnerable to remote OOB write attack via connection request after exhausting memory pool Affected: 7.0 |
| CVE-2018-18765 | 9.1 | Oct 29 | An exploitable arbitrary memory read vulnerability exists in the MQTT packet-parsing functionality of Cesanta Mongoose 6.13 Affected: 6.13 |
| CVE-2018-18764 | 9.1 | Oct 29 | An exploitable arbitrary memory read vulnerability exists in the MQTT packet-parsing functionality of Cesanta Mongoose 6.13 Affected: 6.13 |
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