CVE-2021-29934 json
Out of bounds read in uu_od
published 2021-02-17 5 y ago modified 2026-06-17 4 mo ago also GHSA-w9vv-q986-vj7x , RUSTSEC-2021-0043 , EUVD-2021-1912
- cvss
- 7.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
An issue was discovered in PartialReader in the uu_od crate before 0.0.4 for Rust. Attackers can read the contents of uninitialized memory locations via a user-provided Read operation.
Patch / fix
- crates.io uu_od 0.0.4
- uu_od_project uu_od 0.0.4
- github.com/uutils/coreutils@39d62c6 commit
- github.com/uutils/coreutils@5935876 commit
- github.com/uutils/coreutils@7341a1a commit
- github.com/uutils/coreutils#1730 pull request
- github.com/uutils/coreutils#1738 pull request
- github.com/uutils/coreutils#1739 pull request
Exploit prediction
0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rustsec.org https://rustsec.org/advisories/RUSTSEC-2021-0043.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| OSV | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| GitHub | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | uu_od | <0.0.4 >=0.0.0-0, <0.0.4 |
0.0.4 |
Classification
References
-
github.com
/uutils/coreutils/pull/1730
web
-
github.com
/uutils/coreutils/pull/1738
web
-
github.com
/uutils/coreutils/pull/1739
web
-
github.com
/uutils/coreutils/commit/39d62c6c1f809022c903180471c10fde6ecd12d1
web
-
github.com
/uutils/coreutils/commit/5935876f38498b0c1f657d031171eb17028def6f
web
-
github.com
/uutils/coreutils/commit/7341a1a033aa5980ac59bc9d4df978b396de4fad
web
-
rustsec.org
/advisories/RUSTSEC-2021-0043.html
web, exploit, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-29934
advisory
-
github.com
/uutils/coreutils/issues/1729
web, report
-
github.com
/uutils/coreutils
package
-
crates.io
/crates/uu_od
package
Sources
- CVE List CVE-2021-29934
- GitHub Advisory GHSA-w9vv-q986-vj7x
- NVD CVE-2021-29934
- OSV RUSTSEC-2021-0043
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