CWE-248
Uncaught Exception
An exception is thrown from a function, but it is not caught.
CVE-2026-31870 (GCVE-0-2026-31870)
Vulnerability from cvelistv5 – Published: 2026-03-11 17:57 – Updated: 2026-03-12 20:10
VLAI
Title
cpp-httplib Affected by Remote Process Crash via Malformed Content-Length Response Header
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.1, when a cpp-httplib client uses the streaming API (httplib::stream::Get, httplib::stream::Post, etc.), the library calls std::stoull() directly on the Content-Length header value received from the server with no input validation and no exception handling. std::stoull throws std::invalid_argument for non-numeric strings and std::out_of_range for values exceeding ULLONG_MAX. Since nothing catches these exceptions, the C++ runtime calls std::terminate(), which kills the process with SIGABRT. Any server the client connects to — including servers reached via HTTP redirects, third-party APIs, or man-in-the-middle positions can crash the client application with a single HTTP response. No authentication is required. No interaction from the end user is required. The crash is deterministic and immediate. This vulnerability is fixed in 0.37.1.
Severity
7.5 (High)
CWE
- CWE-248 - Uncaught Exception
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/yhirose/cpp-httplib/security/a… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| yhirose | cpp-httplib |
Affected:
< 0.37.1
|
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CVE-2026-31949 (GCVE-0-2026-31949)
Vulnerability from cvelistv5 – Published: 2026-03-13 19:47 – Updated: 2026-03-16 13:43
VLAI
Title
LibreChat Denial of Service (DoS) via Unhandled Exception in DELETE /api/convos
Summary
LibreChat is a ChatGPT clone with additional features. Prior to 0.8.3-rc1, a Denial of Service (DoS) vulnerability exists in the DELETE /api/convos endpoint that allows an authenticated attacker to crash the Node.js server process by sending malformed requests. The DELETE /api/convos route handler attempts to destructure req.body.arg without validating that it exists. The server crashes due to an unhandled TypeError that bypasses Express error handling middleware and triggers process.exit(1). This vulnerability is fixed in 0.8.3-rc1.
Severity
6.5 (Medium)
CWE
- CWE-248 - Uncaught Exception
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/danny-avila/LibreChat/security… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| danny-avila | LibreChat |
Affected:
< 0.8.3-rc1
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CVE-2026-32314 (GCVE-0-2026-32314)
Vulnerability from cvelistv5 – Published: 2026-03-13 19:53 – Updated: 2026-03-16 13:48
VLAI
Title
Yamux remote Panic via malformed Data frame with SYN set and len = 262145
Summary
Yamux is a stream multiplexer over reliable, ordered connections such as TCP/IP. Prior to 0.13.10, the Rust implementation of Yamux can panic when processing a crafted inbound Data frame that sets SYN and uses a body length greater than DEFAULT_CREDIT (e.g. 262145). On the first packet of a new inbound stream, stream state is created and a receiver is queued before oversized-body validation completes. When validation fails, the temporary stream is dropped and cleanup may call remove(...).expect("stream not found"), triggering a panic in the connection state machine. This is remotely reachable over a normal Yamux session and does not require authentication. This vulnerability is fixed in 0.13.10.
Severity
CWE
- CWE-248 - Uncaught Exception
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/libp2p/rust-yamux/security/adv… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| libp2p | rust-yamux |
Affected:
< 0.13.10
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CVE-2026-32770 (GCVE-0-2026-32770)
Vulnerability from cvelistv5 – Published: 2026-03-18 21:37 – Updated: 2026-03-19 14:21
VLAI
Title
Parse Server: LiveQuery subscription with invalid regular expression crashes server
Summary
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.19 and 8.6.43, a remote attacker can crash the Parse Server by subscribing to a LiveQuery with an invalid regular expression pattern. The server process terminates when the invalid pattern reaches the regex engine during subscription matching, causing denial of service for all connected clients. The fix in 9.6.0-alpha.19 and 8.6.43 validates regular expression patterns at subscription time, rejecting invalid patterns before they are stored. Additionally, a defense-in-depth try-catch prevents any subscription matching error from crashing the server process. As a workaround, disable LiveQuery if it is not needed.
Severity
5.9 (Medium)
CWE
- CWE-248 - Uncaught Exception
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/parse-community/parse-server/s… | x_refsource_CONFIRM |
| https://github.com/parse-community/parse-server/p… | x_refsource_MISC |
| https://github.com/parse-community/parse-server/p… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| parse-community | parse-server |
Affected:
>= 9.0.0, < 9.6.0-alpha.19
Affected: < 8.6.43 |
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CVE-2026-33191 (GCVE-0-2026-33191)
Vulnerability from cvelistv5 – Published: 2026-03-20 07:54 – Updated: 2026-03-20 19:36
VLAI
Title
free5GC UDM vulnerable to null byte injection in URL path parameters causing 500 Internal Server Error
Summary
Free5GC is an open-source Linux Foundation project for 5th generation (5G) mobile core networks. Versions prior to 1.4.2
are vulnerable to null byte injection in URL path parameters. A remote attacker can inject null bytes (URL-encoded as %00) into the supi path parameter of the UDM's Nudm_SubscriberDataManagement API. This causes URL parsing failure in Go's net/url package with the error "invalid control character in URL", resulting in a 500 Internal Server Error. This null byte injection vulnerability can be exploited for denial of service attacks. When the supi parameter contains null characters, the UDM attempts to construct a URL for UDR that includes these control characters. Go's URL parser rejects them, causing the request to fail with 500 instead of properly validating input and returning 400 Bad Request. This issue has been fixed in version 1.4.2.
Severity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/free5gc/free5gc/security/advis… | x_refsource_CONFIRM |
| https://github.com/free5gc/udm/commit/88de9fa74a1… | x_refsource_MISC |
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CVE-2026-33203 (GCVE-0-2026-33203)
Vulnerability from cvelistv5 – Published: 2026-03-20 22:32 – Updated: 2026-03-23 16:46
VLAI
Title
SiYuan has an Unauthenticated WebSocket DoS via Auth Keepalive Bypass
Summary
SiYuan is a personal knowledge management system. Prior to version 3.6.2, the SiYuan kernel WebSocket server accepts unauthenticated connections when a specific "auth keepalive" query parameter is present. After connection, incoming messages are parsed using unchecked type assertions on attacker-controlled JSON. A remote attacker can send malformed messages that trigger a runtime panic, potentially crashing the kernel process and causing denial of service. Version 3.6.2 fixes the issue.
Severity
7.5 (High)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/siyuan-note/siyuan/security/ad… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| siyuan-note | siyuan |
Affected:
< 3.6.2
|
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CVE-2026-34752 (GCVE-0-2026-34752)
Vulnerability from cvelistv5 – Published: 2026-04-02 18:42 – Updated: 2026-04-03 15:47
VLAI
Title
Haraka affected by DoS via `__proto__` email header
Summary
Haraka is a Node.js mail server. Prior to version 3.1.4, sending an email with __proto__: as a header name crashes the Haraka worker process. This issue has been patched in version 3.1.4.
Severity
CWE
- CWE-248 - Uncaught Exception
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/haraka/Haraka/security/advisor… | x_refsource_CONFIRM |
| https://github.com/haraka/Haraka/releases/tag/v3.1.4 | x_refsource_MISC |
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CVE-2026-34943 (GCVE-0-2026-34943)
Vulnerability from cvelistv5 – Published: 2026-04-09 18:36 – Updated: 2026-04-13 20:15
VLAI
Title
Wasmtime panics when lifting `flags` component value
Summary
Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime contains a possible panic which can happen when a flags-typed component model value is lifted with the Val type. If bits are set outside of the set of flags the component model specifies that these bits should be ignored but Wasmtime will panic when this value is lifted. This panic only affects wasmtime's implementation of lifting into Val, not when using the flags! macro. This additionally only affects flags-typed values which are part of a WIT interface. This has the risk of being a guest-controlled panic within the host which Wasmtime considers a DoS vector. This vulnerability is fixed in 24.0.7, 36.0.7, 42.0.2, and 43.0.1.
Severity
CWE
- CWE-248 - Uncaught Exception
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bytecodealliance/wasmtime/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bytecodealliance | wasmtime |
Affected:
< 24.0.7
Affected: >= 25.0.0, < 36.0.7 Affected: >= 37.0.0, < 42.0.2 Affected: >= 43.0.0, < 44.0.1 |
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CVE-2026-34944 (GCVE-0-2026-34944)
Vulnerability from cvelistv5 – Published: 2026-04-09 18:38 – Updated: 2026-04-13 15:38
VLAI
Title
Wasmtime segfault or unused out-of-sandbox load with `f64x2.splat` operator on x86-64
Summary
Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, On x86-64 platforms with SSE3 disabled Wasmtime's compilation of the f64x2.splat WebAssembly instruction with Cranelift may load 8 more bytes than is necessary. When signals-based-traps are disabled this can result in a uncaught segfault due to loading from unmapped guard pages. With guard pages disabled it's possible for out-of-sandbox data to be loaded, but this data is not visible to WebAssembly guests. This vulnerability is fixed in 24.0.7, 36.0.7, 42.0.2, and 43.0.1.
Severity
CWE
- CWE-248 - Uncaught Exception
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bytecodealliance/wasmtime/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bytecodealliance | wasmtime |
Affected:
< 24.0.7
Affected: >= 25.0.0, < 36.0.7 Affected: >= 37.0.0, < 42.0.2 Affected: >= 43.0.0, < 44.0.1 |
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CVE-2026-34986 (GCVE-0-2026-34986)
Vulnerability from cvelistv5 – Published: 2026-04-06 16:22 – Updated: 2026-04-07 14:21
VLAI
Title
Go JOSE affect by a panic in JWE decryption
Summary
Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including support for JSON Web Encryption (JWE), JSON Web Signature (JWS), and JSON Web Token (JWT) standards. Prior to 4.1.4 and 3.0.5, decrypting a JSON Web Encryption (JWE) object will panic if the alg field indicates a key wrapping algorithm (one ending in KW, with the exception of A128GCMKW, A192GCMKW, and A256GCMKW) and the encrypted_key field is empty. The panic happens when cipher.KeyUnwrap() in key_wrap.go attempts to allocate a slice with a zero or negative length based on the length of the encrypted_key. This code path is reachable from ParseEncrypted() / ParseEncryptedJSON() / ParseEncryptedCompact() followed by Decrypt() on the resulting object. Note that the parse functions take a list of accepted key algorithms. If the accepted key algorithms do not include any key wrapping algorithms, parsing will fail and the application will be unaffected. This panic is also reachable by calling cipher.KeyUnwrap() directly with any ciphertext parameter less than 16 bytes long, but calling this function directly is less common. Panics can lead to denial of service. This vulnerability is fixed in 4.1.4 and 3.0.5.
Severity
7.5 (High)
CWE
- CWE-248 - Uncaught Exception
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/go-jose/go-jose/security/advis… | x_refsource_CONFIRM |
| https://pkg.go.dev/github.com/go-jose/go-jose/v4#… | x_refsource_MISC |
Impacted products
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.