# aws-lc-sys (crates.io) vulnerabilities

Source: https://junglewise.ai/threats/technologies/crates-io-aws-lc-sys  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/crates-io-aws-lc-sys.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in aws-lc-sys (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, AWS-LC X.509 Name Constraints Bypass via Wildcard/Unicode CN, was published on 20 March 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 6 (0 critical, 0 exploited in the wild)

## About aws-lc-sys (crates.io)

Rust bindings for AWS Libcrypto, providing cryptographic operations.

## Latest aws-lc-sys (crates.io) vulnerabilities

- [AWS-LC X.509 Name Constraints Bypass via Wildcard/Unicode CN](https://junglewise.ai/threats/aws-lc-x-509-name-constraints-bypass-via-wildcard-unicode-cn-3aa77348) (medium, CVSS 4, published 20 Mar 2026)
- [RUSTSEC-2026-0044 - AWS-LC X.509 Name Constraints Bypass via Wildcard/Unicode CN](https://junglewise.ai/threats/rustsec-2026-0044-aws-lc-x-509-name-constraints-bypass-via-wildcard-64993ed0) (info, published 19 Mar 2026)
- [CVE-2026-4428: RUSTSEC-2026-0048 - CRL Distribution Point Scope Check Logic Error in AWS-LC](https://junglewise.ai/threats/cve-2026-4428-aws-aws-lc-revocation-check-bypass-in-x-509-certificate) (high, CVSS 3.1, published 19 Mar 2026)
- [CVE-2026-3338: AWS AWS-LC signature verification bypass in PKCS7_verify](https://junglewise.ai/threats/cve-2026-3338-aws-aws-lc-signature-verification-bypass-in-pkcs7-verify) (high, CVSS 7.5, published 2 Mar 2026)
- [CVE-2026-3336: AWS AWS-LC certificate chain validation bypass in PKCS7_verify](https://junglewise.ai/threats/cve-2026-3336-aws-aws-lc-certificate-chain-validation-bypass-in-pkcs7-verify) (high, CVSS 7.5, published 2 Mar 2026)
- [CVE-2026-3337: RUSTSEC-2026-0043 - Timing Side-Channel in AES-CCM Tag Verification in AWS-LC](https://junglewise.ai/threats/cve-2026-3337-aws-lc-has-timing-side-channel-in-aes-ccm-tag-verification) (low, CVSS 3.1, published 2 Mar 2026)

## Most severe aws-lc-sys (crates.io) vulnerabilities

- [CVE-2026-3338: AWS AWS-LC signature verification bypass in PKCS7_verify](https://junglewise.ai/threats/cve-2026-3338-aws-aws-lc-signature-verification-bypass-in-pkcs7-verify) (high, CVSS 7.5, published 2 Mar 2026)
- [CVE-2026-3336: AWS AWS-LC certificate chain validation bypass in PKCS7_verify](https://junglewise.ai/threats/cve-2026-3336-aws-aws-lc-certificate-chain-validation-bypass-in-pkcs7-verify) (high, CVSS 7.5, published 2 Mar 2026)
- [CVE-2026-4428: RUSTSEC-2026-0048 - CRL Distribution Point Scope Check Logic Error in AWS-LC](https://junglewise.ai/threats/cve-2026-4428-aws-aws-lc-revocation-check-bypass-in-x-509-certificate) (high, CVSS 3.1, published 19 Mar 2026)
- [AWS-LC X.509 Name Constraints Bypass via Wildcard/Unicode CN](https://junglewise.ai/threats/aws-lc-x-509-name-constraints-bypass-via-wildcard-unicode-cn-3aa77348) (medium, CVSS 4, published 20 Mar 2026)
- [CVE-2026-3337: RUSTSEC-2026-0043 - Timing Side-Channel in AES-CCM Tag Verification in AWS-LC](https://junglewise.ai/threats/cve-2026-3337-aws-lc-has-timing-side-channel-in-aes-ccm-tag-verification) (low, CVSS 3.1, published 2 Mar 2026)
- [RUSTSEC-2026-0044 - AWS-LC X.509 Name Constraints Bypass via Wildcard/Unicode CN](https://junglewise.ai/threats/rustsec-2026-0044-aws-lc-x-509-name-constraints-bypass-via-wildcard-64993ed0) (info, published 19 Mar 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, "aws-lc-sys (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/crates-io-aws-lc-sys, 9 November 2026.