Weakness (CWE)
CWE-835: Loop with Unreachable Exit Condition
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Source: MITRE CWE-835
617 results · Feed
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High 7.5
react/http: A malformed HTTP chunked body can lead to a denial-of-service and peg the CPU
react/http is an event-driven, streaming HTTP client and server implementation for ReactPHP. From 0.6.0 until 1.11.1, React\Http\Io\ChunkedDecoder could enter an infinite loop while processing a malformed Transfer-Encoding: chunked body because handleData req…
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High 7.5
Http4s: WebSocket decoder accepts negative length, causing infinite decode loop
Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, WebSocket FrameTranscoder.bodyLength rejects extended payload lengths above Integer.MAX_VALUE but permits negative 64-bit lengths. A remote client that completes a WebSocket handsh…
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Medium 6.5
FreeRDP before 3.31.0 Denial of Service via pool_decode_rect
FreeRDP versions before 3.31.0 contain an infinite-loop denial of service in the pool_decode_rect function when decoding AVC444 metablocks with more region rectangles than preallocated worker array size. A malicious RDP server can send crafted AVC444 graphics…
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Medium 5.9
EUC_JISX0213 decoding may hang on crafted input
Converting crafted EUC_JISX0213 input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.3 to 2.44 may result in the converter making no progress, causing the calling application to hang. Some EUC_JISX0213…
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Medium 5.9
SHIFT_JISX0213 decoding may hang on crafted input
Converting crafted SHIFT_JISX0213 input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.3 to 2.44 may result in the converter making no progress, causing the calling application to hang. Some SHIFT_JISX…
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Medium 4.6
Infinite loop denial of service in Zephyr SDIO byte-I/O from a card-supplied zero max_blk_size
The Zephyr SDIO subsystem function sdio_io_rw_extended_helper() in subsys/sd/sdio.c finishes transfers with a byte-I/O loop that uses size = MIN(remaining, func->cis.max_blk_size) as the per-iteration step. The value func->cis.max_blk_size is decoded directly…
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Low 2.8
An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem Exynos 9810, Exynos 9610, E…
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High 7.5
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSynta…
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Medium 5.9
strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.
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Medium 4.0
zstd-jni 1.4.8-4 through 1.5.7-13 Denial of Service via Negative Length
zstd-jni versions 1.4.8-4 through 1.5.7-13 fail to validate negative length parameters in ZstdInputStreamNoFinalizer.read(), allowing attackers to trigger infinite loops. Attackers can pass negative length values to cause the read method to spin indefinitely …
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Medium 6.5
Open WebUI: Any authenticated user can hang the server via a cyclic chat message history
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.1, the message-chain reconstruction helper in backend/open_webui/utils/misc.py advanced through a chat history by map key but tracked visited entries u…
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Medium 6.5
Open WebUI: Any authenticated user can hang the server via message deletion in a cyclic chat tree
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/chats/{id}/messages/{message_id} used the chat-history deletion helper in backend/open_webui/models/chats.py to follow childrenIds w…
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Medium 4.3
Open WebUI: Any authenticated user can start a non-terminating request via a folder parent cycle
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/v1/folders/{id}/update/parent allowed a user to place a folder under itself or one of its descendants, while the folder tree walks used b…
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High 7.5
infinte loop in libpcap before 1.10.7
libpcap BPF interpreter treats the offset in the 'ja L' BPF instruction as a signed integer to implement looping via backward jumps, but it does not limit the number of loop iterations. A crafted filter program or the 'protochain' primitive used on a crafted …
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High 8.2
smol-toml: Denial of Service via malformed TOML documents
smol-toml is a small, fast, and correct TOML parser and serializer. Prior to 1.7.1, parse() can enter an infinite loop when a value inside an array or inline table is followed by a comment with no trailing newline. In src/util.ts, skipUntil() calls indexOfNew…
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Medium 5.3
IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs
IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a remote attacker to cause a denial of service due to an infinite loop.
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Medium 6.9
pypdf: Possible infinite loop for TreeObject.insert_child
pypdf is a free and open-source pure-python PDF library. Prior to 6.16.0, an attacker can craft a PDF whose cyclic tree structure causes pypdf/generic/_data_structures.py TreeObject.insert_child to follow /Next links indefinitely when a writing code path inse…
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Medium 4.3
BareBones BBEdit Lasso Language Tokenizer infinite loop
A vulnerability has been found in BareBones BBEdit up to 15.5.5. The affected element is an unknown function of the component Lasso Language Tokenizer. Such manipulation leads to infinite loop. The attack can be executed remotely. Upgrading to version 16.0 is…
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Medium 6.0
AshAi tool loop never terminates when all tool calls are filtered out, enabling denial of service
Loop with Unreachable Exit Condition (Infinite Loop) vulnerability in ash-project ash_ai allows an attacker who can influence a model's output to hang the tool loop and drive unbounded, repeated model requests. AshAi.ToolLoop classifies a model response of :t…
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Medium 5.9
Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush
In Reactor Core, applications that use the Flux.bufferTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.7.19 and earlier
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Medium 6.5
Loop with Unreachable Exit Condition ('Infinite Loop') in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have caused denial of service, due to an unbounded loop trigger…
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Medium 6.5
ORAS CLI: Cyclic Referrer Graph Can Cause Unbounded Recursion and Resource Consumption
ORAS (OCI Registry As Storage) is a CLI and library for managing artifacts in OCI registries. In ORAS CLI versions up to and including 1.3.2, the recursive referrer traversal does not track visited descriptors, so a malicious OCI registry that returns a cycli…
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Medium 6.2
OpenEXR: OpenEXRUtil SampleCountChannel endEdit() can loop forever on UINT_MAX sample counts
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions prior to 3.2.10, 3.3.12, and 3.4.13 contain an infinite-loop vulnerability in SampleCountChannel. The helper roundListSize…
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Medium 4.3CVE-2026-78250 Public exploit
bytebot-ai bytebot Agent Execution Workflow infinite loop
A vulnerability was identified in bytebot-ai bytebot 0.0.1. The affected element is an unknown function of the component Agent Execution Workflow. Such manipulation leads to infinite loop. The attack may be performed from remote. The exploit is publicly avail…
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Medium 6.1
justhtml before 1.17.0 Multiple Cross-Site Scripting Vulnerabilities
justhtml before 1.17.0 contains multiple security issues in sanitization, serialization, and programmatic DOM handling. When custom policies preserve foreign namespaces (SVG/MathML), dangerous content such as HTML integration points (SVG <foreignObject>, Math…
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High 7.5
justhtml before 1.18.0 Denial of Service via CSS Selector
justhtml before 1.18.0 contains multiple low-severity denial-of-service issues in CSS selector handling and linkification. Applications that evaluate attacker-controlled selector strings (via query(), matches(), or selector-based transforms), run selector mat…
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Medium 5.5
picotls has infinite recursion in the minicrypto ASN.1 decoder
Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. Picotls implements its own ASN.1 validation helper, which is used by the minicrypto backend while parsing local PKCS#8 private keys. Prior to commit …
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High 7.5
netty-incubator-codec-ohttp BinaryHttpParser: Unauthenticated CPU-exhaustion DoS via infinite loop in field-section decoding
# BinaryHttpParser: Unauthenticated CPU-exhaustion DoS via infinite loop in field-section decoding - **ID:** BHTTP-LOOP-001 - **Severity:** High - **CVSS v3.1:** 7.5 — `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` - **CWE:** CWE-835 (Loop with Unreachable Ex…
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High 7.5
netty-incubator-codec-ohttp: Binary HTTP parser infinite loop on known-length field section boundary
## Summary `io.netty.incubator:netty-incubator-codec-bhttp` can enter a non-terminating parse loop when a known-length Binary HTTP field section ends exactly after a complete field line. A remote peer that can send Binary HTTP input to a Netty pipeline using …
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High 7.1
django CMS: Plugin move endpoint allows cyclic reparenting (DoS)
django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the move_plugin endpoint in cms/admin/placeholderadmin.py accepts an attacker-controlled plugin_parent value without rejecting a plugin…
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High 8.7
LiquidJS: An infinite loop vulnerability in `strip_html` filter
LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. From 10.26.0 until 10.27.1, the strip_html filter in src/filters/html.ts can enter an infinite loop when an input string contains <, includes at least one preceding character,…
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Medium 4.6
PL011 UART error interrupts never cleared, enabling an external-peer interrupt-storm denial of service
The ARM PL011 UART driver in drivers/serial/uart_pl011.c fails to acknowledge receive error interrupts. On the PL011, the framing, parity, break, and overrun error interrupts (PL011_IMSC_ERROR_MASK) are cleared only by writing the interrupt-clear register UAR…
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Medium 5.9
In JetBrains Ktor before 3.4.1 potential DoS attack via WebSocket decompression was possible
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High 7.5
IBM i is Affected By Multiple Vulnerabilities in Host Servers
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an infinite loop.
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High 7.5
IBM i is Affected By Multiple Vulnerabilities in Host Servers
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an infinite loop.
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Medium 6.5
Infinite loop (DoS) in Bluetooth GATT client parsing of Read-By-Type responses with zero data length
The Bluetooth host GATT client function parse_read_std_char_desc() in subsys/bluetooth/host/gatt.c parses an ATT Read By Type Response received from a remote GATT server during BT_GATT_DISCOVER_STD_CHAR_DESC discovery. The per-entry stride rsp->len is taken d…
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Medium 6.5
rsync 3.1.0 < 3.5.0 Signed Integer Overflow via MSG_IO_TIMEOUT
rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSG_IO_TIMEOUT messages carrying non-positive (zero or negative) values. …
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High 7.5
@fastify/busboy vulnerable to Denial of Service via oversized multipart boundary
@fastify/busboy is a multipart form-data parser. In versions 3.1.0 through 3.2.0, a remote unauthenticated attacker can stall the Node.js event loop by sending a multipart request whose boundary is crafted to a specific length. The vendored streaming search s…
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Medium 6.5
Open-iscsi: open-iscsi: denial of service in iscsiuio router advertisement parsing
A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service (DoS) in the iscsiuio daemon. By sending a specially crafted Internet Control Message Protocol version 6 (ICMPv6) Router…
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Medium 5.3
Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access Container 11.0 through 11.0.3 is vulnerable to a denial of service attack.