CVE-2021-45688 json
Reading on uninitialized memory may cause UB ( `util::read_spv()` )
published 2021-01-07 5 y ago modified 2026-06-17 4 mo ago also GHSA-64wv-8vwp-xgw2 , GHSA-qj69-c89v-jwq2 , RUSTSEC-2021-0090 , EUVD-2022-0476
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An issue was discovered in the ash crate before 0.33.1 for Rust. util::read_spv may read from uninitialized memory locations.
Patch / fix
- crates.io ash 0.33.1
- ash-rs ash 0.33.1
- github.com/ash-rs/ash@2c98b6f commit
- github.com/ash-rs/ash#470 pull request
Exploit prediction
1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | ash | <0.33.1 >=0.0.0-0, <0.33.1 |
0.33.1 |
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
References
-
github.com
/ash-rs/ash/pull/470
web
-
github.com
/ash-rs/ash/commit/2c98b6f384a017de031698bd623551a45f24c8f9
web
-
rustsec.org
/advisories/RUSTSEC-2021-0090.html
web, third-party-advisory, advisory
-
raw.githubusercontent.com
/rustsec/advisory-db/main/crates/ash/RUSTSEC-2021-0090.md
web, third-party-advisory
-
github.com
/MaikKlein/ash/issues/354
web, report
-
github.com
/MaikKlein/ash
package
-
nvd.nist.gov
/vuln/detail/CVE-2021-45688
advisory
-
github.com
/ash-rs/ash/issues/354
web
-
github.com
/ash-rs/ash/compare/0.33.0...0.33.1
web
-
crates.io
/crates/ash
package
Sources
- CVE List CVE-2021-45688
- GitHub Advisory GHSA-qj69-c89v-jwq2
- GitHub Advisory GHSA-64wv-8vwp-xgw2
- NVD CVE-2021-45688
- OSV RUSTSEC-2021-0090
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.