{"schema_version":1,"title":"Zstd-Rs vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 7 vulnerabilities in Zstd-Rs: 0 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, zstd-safe use-after-free in multithreaded compression context, was published on 16 October 2026. 7 vulnerabilities in the last four weeks, up from none in the four before. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/zstd-rs","json_url":"https://junglewise.ai/threats/vendors/zstd-rs.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/zstd-rs","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":false,"counts":{"high":0,"all_time":7,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":7,"last_90_days":7,"last_365_days":7},"latest":[{"slug":"rustsec-2026-0406-use-after-free-when-changing-a-multithreaded-context-0c474512","title":"zstd-safe use-after-free in multithreaded compression context","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0406-use-after-free-when-changing-a-multithreaded-context-0c474512"},{"slug":"rustsec-2026-0410-webassembly-allocator-shim-corrupts-memory-on-43880bf6","title":"zstd-sys WebAssembly allocator shim memory corruption on allocation failure","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0410-webassembly-allocator-shim-corrupts-memory-on-43880bf6"},{"slug":"rustsec-2026-0400-use-after-free-of-a-dictionary-after-a-one-shot-call-541157eb","title":"zstd-safe use-after-free in dictionary decompression context","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0400-use-after-free-of-a-dictionary-after-a-one-shot-call-541157eb"},{"slug":"rustsec-2026-0402-heap-buffer-overflow-in-cctx-try-clone-on-a-8f6c7847","title":"zstd-safe heap buffer overflow in CCtx::try_clone","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0402-heap-buffer-overflow-in-cctx-try-clone-on-a-8f6c7847"},{"slug":"rustsec-2026-0403-uninitialized-memory-exposed-when-streaming-b7ceb3c6","title":"zstd-safe memory exposure in streaming decompression","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0403-uninitialized-memory-exposed-when-streaming-b7ceb3c6"},{"slug":"rustsec-2026-0401-out-of-bounds-read-in-train-from-buffer-when-sample-b8e1d058","title":"zstd-safe out-of-bounds read in train_from_buffer with sample size overflow","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0401-out-of-bounds-read-in-train-from-buffer-when-sample-b8e1d058"},{"slug":"rustsec-2026-0392-uninitialized-memory-exposed-by-write-decoder-on-a-fa4c4e49","title":"zstd memory exposure in write::Decoder on corrupt legacy frame","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0392-uninitialized-memory-exposed-by-write-decoder-on-a-fa4c4e49"}],"vendor":{"hub":true,"name":"Zstd-Rs","slug":"zstd-rs","description":"Project providing Rust bindings for the Zstandard compression algorithm.","url":"https://junglewise.ai/threats/vendors/zstd-rs"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":7},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"slug":"rustsec-2026-0406-use-after-free-when-changing-a-multithreaded-context-0c474512","title":"zstd-safe use-after-free in multithreaded compression context","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0406-use-after-free-when-changing-a-multithreaded-context-0c474512"},{"slug":"rustsec-2026-0410-webassembly-allocator-shim-corrupts-memory-on-43880bf6","title":"zstd-sys WebAssembly allocator shim memory corruption on allocation failure","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0410-webassembly-allocator-shim-corrupts-memory-on-43880bf6"},{"slug":"rustsec-2026-0400-use-after-free-of-a-dictionary-after-a-one-shot-call-541157eb","title":"zstd-safe use-after-free in dictionary decompression context","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0400-use-after-free-of-a-dictionary-after-a-one-shot-call-541157eb"},{"slug":"rustsec-2026-0402-heap-buffer-overflow-in-cctx-try-clone-on-a-8f6c7847","title":"zstd-safe heap buffer overflow in CCtx::try_clone","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0402-heap-buffer-overflow-in-cctx-try-clone-on-a-8f6c7847"},{"slug":"rustsec-2026-0403-uninitialized-memory-exposed-when-streaming-b7ceb3c6","title":"zstd-safe memory exposure in streaming decompression","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0403-uninitialized-memory-exposed-when-streaming-b7ceb3c6"},{"slug":"rustsec-2026-0401-out-of-bounds-read-in-train-from-buffer-when-sample-b8e1d058","title":"zstd-safe out-of-bounds read in train_from_buffer with sample size overflow","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0401-out-of-bounds-read-in-train-from-buffer-when-sample-b8e1d058"},{"slug":"rustsec-2026-0392-uninitialized-memory-exposed-by-write-decoder-on-a-fa4c4e49","title":"zstd memory exposure in write::Decoder on corrupt legacy frame","severity":"info","exploited":false,"published_at":"2026-10-16T12:00:00+00:00","url":"https://junglewise.ai/threats/rustsec-2026-0392-uninitialized-memory-exposed-by-write-decoder-on-a-fa4c4e49"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[{"name":"Zstd-Rs Zstd-Safe","slug":"zstd-rs-zstd-safe","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/zstd-rs-zstd-safe"}]}