CVE-2019-15552 — Use after free in libflate — CVE Details
CRITICAL
Use after free in libflate
Published August 25, 2021Updated November 8, 2023Source: osv
Summary
An issue was discovered in the libflate crate before 0.1.25 for Rust. MultiDecoder::read has a use-after-free, leading to arbitrary code execution.
Advisory Timeline
- First published August 25, 2021 (1874 days ago).
- Last revised November 8, 2023 — 804 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
Cargo
Update libflate to 0.1.25 or latercargo update -p libflate --precise 0.1.25
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (1)
Affects 1 ecosystem: crates.io (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| libflate | crates.io | All versions | 0.1.25 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-416Use After FreeMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-15552ADVISORY
- https://github.com/sile/libflate/issues/35WEB
- https://github.com/sile/libflate/pull/37WEB
- https://github.com/sile/libflate/commit/ffeff7c65deac5a6f886db2a59bcae4e420e4706WEB
- https://github.com/sile/libflatePACKAGE
- https://rustsec.org/advisories/RUSTSEC-2019-0010.htmlWEB
Frequently Asked Questions
- What is CVE-2019-15552?
- Use after free in libflate This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
- How do I check if my project is affected by CVE-2019-15552?
- CVE-2019-15552 affects libflate. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-15552 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
9.8
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
GHSA-rpcm-whqc-jfw8
RUSTSEC-2019-0010
Related CVEs
- RUSTSEC-2026-0327CRITICAL
Wasmtime component async-lifted callback result count is unvalidated, causing a native stack buffer overflow
- CVE-2026-75856CRITICAL
CodeWhale: SSRF bypass - TOCTOU on DNS failure for DNS pinning
Check if you're affected
Scan your dependencies to see if this vulnerability affects your projects.
Scan Your Dependencies