VulnerabilityModified
CVE-2021-29939
There is an out-of-bounds write in StackVec::extend if size_hint provides certain anomalous data.
HIGH 7.3EPSS 1.03%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in the stackvector crate through 2021-02-19 for Rust. There is an out-of-bounds write in StackVec::extend if size_hint provides certain anomalous data.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 1.03% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- stackvector project/stackvector
- Source
- cve@mitre.org
References
- https://rustsec.org/advisories/RUSTSEC-2021-0048.htmlExploit, Vendor Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0048.htmlExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.