CVE-2021-26305
Last modified
CVE-2021-26305 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Deserializer::read_vec in the cdr crate before 0.2.4 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated heap memory, violating soundness.. EPSS estimates a 1.69% chance of exploitation in the next 30 days.
Description
An issue was discovered in Deserializer::read_vec in the cdr crate before 0.2.4 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated heap memory, violating soundness.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cdr Project | Cdr | < 0.2.4 |
References
- https://rustsec.org/advisories/RUSTSEC-2021-0012.htmlExploit, Vendor Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0012.htmlExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26305?
How severe is CVE-2021-26305?
How do I fix CVE-2021-26305?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-26293An issue was discovered in AfterLogic Aurora through 8.5.3 a…9.8
- CVE-2021-26294An issue was discovered in AfterLogic Aurora through 7.7.9 a…7.5
- CVE-2021-26295Apache OFBiz has unsafe deserialization prior to 17.12.06. A…9.8
- CVE-2021-26296In the default configuration, Apache MyFaces Core versions 2…7.5
- CVE-2021-26303PHPGurukul Daily Expense Tracker System 1.0 is vulnerable to…6.1
- CVE-2021-26304PHPGurukul Daily Expense Tracker System 1.0 is vulnerable to…5.4
- CVE-2021-26306An issue was discovered in the raw-cpuid crate before 9.0.0 …7.5
- CVE-2021-26307An issue was discovered in the raw-cpuid crate before 9.0.0 …5.5
- CVE-2021-26308An issue was discovered in the marc crate before 2.0.0 for R…7.5
- CVE-2021-26309Information disclosure in the TeamCity plugin for IntelliJ b…3.3
- CVE-2021-26310In the TeamCity IntelliJ plugin before 2020.2.2.85899, DoS w…7.5
- CVE-2021-26311In the AMD SEV/SEV-ES feature, memory can be rearranged in t…7.2
Are you affected by CVE-2021-26305?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST