# rkyv (crates.io) vulnerabilities Source: https://junglewise.ai/threats/technologies/rkyv Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/rkyv.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 7 vulnerabilities in rkyv (crates.io): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, rkyv memory corruption via panic-safety bugs in clear functions, was published on 15 May 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 7 (0 critical, 0 exploited in the wild) ## About rkyv (crates.io) Rust serialization framework for zero-copy deserialization. ## Latest rkyv (crates.io) vulnerabilities - [rkyv memory corruption via panic-safety bugs in clear functions](https://junglewise.ai/threats/rkyv-memory-corruption-via-panic-safety-bugs-in-clear-functions-5d313d34) (medium, CVSS 6.9, published 15 May 2026) - [RUSTSEC-2026-0235 - Insufficient archive validation can cause out-of-bounds reads in archives containing Rc/Arc](https://junglewise.ai/threats/rustsec-2026-0235-insufficient-archive-validation-can-cause-out-of-ced94533) (info, published 13 May 2026) - [RUSTSEC-2026-0233 - Crafted archives can cause a use-after-free during deserialization](https://junglewise.ai/threats/rustsec-2026-0233-crafted-archives-can-cause-a-use-after-free-during-0be0b750) (info, published 11 May 2026) - [RUSTSEC-2026-0234 - Insufficient archive validation can cause out-of-bounds reads in archives containing hash tables](https://junglewise.ai/threats/rustsec-2026-0234-insufficient-archive-validation-can-cause-out-of-d8f5fa22) (info, published 11 May 2026) - [RUSTSEC-2026-0122 - Potential use-after-free due to lack of panic safety in `InlineVec::clear` and `SerVec::clear`](https://junglewise.ai/threats/rustsec-2026-0122-potential-use-after-free-due-to-lack-of-panic-safety-f2a16c90) (info, published 23 Apr 2026) - [RUSTSEC-2026-0001 - Potential Undefined Behaviors in `Arc`/`Rc` impls of `from_value` on OOM](https://junglewise.ai/threats/rustsec-2026-0001-potential-undefined-behaviors-in-arc-t-rc-t-impls-of-5dfbdf00) (info, published 5 Jan 2026) - [CVE-2021-31919: RUSTSEC-2021-0054 - Archives may contain uninitialized memory](https://junglewise.ai/threats/cve-2021-31919-use-of-uninitialized-buffer-in-rkyv) (low, CVSS 3.1, published 28 Apr 2021) ## Most severe rkyv (crates.io) vulnerabilities - [rkyv memory corruption via panic-safety bugs in clear functions](https://junglewise.ai/threats/rkyv-memory-corruption-via-panic-safety-bugs-in-clear-functions-5d313d34) (medium, CVSS 6.9, published 15 May 2026) - [CVE-2021-31919: RUSTSEC-2021-0054 - Archives may contain uninitialized memory](https://junglewise.ai/threats/cve-2021-31919-use-of-uninitialized-buffer-in-rkyv) (low, CVSS 3.1, published 28 Apr 2021) - [RUSTSEC-2026-0235 - Insufficient archive validation can cause out-of-bounds reads in archives containing Rc/Arc](https://junglewise.ai/threats/rustsec-2026-0235-insufficient-archive-validation-can-cause-out-of-ced94533) (info, published 13 May 2026) - [RUSTSEC-2026-0233 - Crafted archives can cause a use-after-free during deserialization](https://junglewise.ai/threats/rustsec-2026-0233-crafted-archives-can-cause-a-use-after-free-during-0be0b750) (info, published 11 May 2026) - [RUSTSEC-2026-0234 - Insufficient archive validation can cause out-of-bounds reads in archives containing hash tables](https://junglewise.ai/threats/rustsec-2026-0234-insufficient-archive-validation-can-cause-out-of-d8f5fa22) (info, published 11 May 2026) - [RUSTSEC-2026-0122 - Potential use-after-free due to lack of panic safety in `InlineVec::clear` and `SerVec::clear`](https://junglewise.ai/threats/rustsec-2026-0122-potential-use-after-free-due-to-lack-of-panic-safety-f2a16c90) (info, published 23 Apr 2026) - [RUSTSEC-2026-0001 - Potential Undefined Behaviors in `Arc`/`Rc` impls of `from_value` on OOM](https://junglewise.ai/threats/rustsec-2026-0001-potential-undefined-behaviors-in-arc-t-rc-t-impls-of-5dfbdf00) (info, published 5 Jan 2026) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other crates.io technologies - [surrealdb (crates.io)](https://junglewise.ai/threats/technologies/surrealdb): 83 vulnerabilities - [wasmtime (crates.io)](https://junglewise.ai/threats/technologies/wasmtime): 67 vulnerabilities - [deno (crates.io)](https://junglewise.ai/threats/technologies/deno): 39 vulnerabilities - [zebrad (crates.io)](https://junglewise.ai/threats/technologies/zebrad): 27 vulnerabilities - [russh (crates.io)](https://junglewise.ai/threats/technologies/crates-io-russh): 26 vulnerabilities - [openssl-src (crates.io)](https://junglewise.ai/threats/technologies/openssl-src): 26 vulnerabilities - [openssl (crates.io)](https://junglewise.ai/threats/technologies/crates-io-openssl): 25 vulnerabilities - [rustfs (crates.io)](https://junglewise.ai/threats/technologies/rustfs): 25 vulnerabilities - [coreutils (crates.io)](https://junglewise.ai/threats/technologies/crates-io-coreutils): 21 vulnerabilities - [ckb (crates.io)](https://junglewise.ai/threats/technologies/ckb): 19 vulnerabilities - [apollo-router (crates.io)](https://junglewise.ai/threats/technologies/apollo-router): 13 vulnerabilities - [deepseek-tui (crates.io)](https://junglewise.ai/threats/technologies/deepseek-tui): 13 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "rkyv (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/rkyv, 13 November 2026.