rust: print of uninitialized memory in the debug trait implementation for std::collections::vec_deque::Iter
Published Jul 15, 2019
5.3
MEDIUMCVSS 3.1
EPSS 1.52%
Description
The Rust Programming Language Standard Library 1.18.0 and later is affected by: CWE-200: Information Exposure. The impact is: Contents of uninitialized memory could be printed to string or to log file. The component is: Debug trait implementation for std::collections::vec_deque::Iter. The attack vector is: The program needs to invoke debug printing for iterator over an empty VecDeque. The fixed version is: 1.30.0, nightly versions after commit b85e4cc8fadaabd41da5b9645c08c68b8f89908d.
Affected products
-
- Version 1.18.0 and later [fixed: 1.30.0, nightly versions after commit b85e4cc8fadaabd41da5b9645c08c68b8f89908d]StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The Rust Programming Language | Standard Library | n/a |
|
No data.
Red Hat Enterprise Linux 8
rust-toolset:rhel8/rust
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | rust-toolset:rhel8/rust | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 1.52% (0.01516) | 73.65th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.52% (0.01516) | 73.40th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00091) | 39.12th | v3 (v2023.03.01) |
| Jul 17, 2024 | 0.09% (0.00091) | 39.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00091) | 37.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2019-1010299 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1736766 Issue Tracking
- https://github.com/rust-lang/rust/issues/53566 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://github.com/rust-lang/rust/pull/53571/commits/b85e4cc8fadaabd41da5b9645c08c68b8f89908d x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-1010299
- https://www.cve.org/CVERecord?id=CVE-2019-1010299
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-1010299 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1736766 | Issue Tracking | |
| https://github.com/rust-lang/rust/issues/53566 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://github.com/rust-lang/rust/pull/53571/commits/b85e4cc8fadaabd41da5b9645c08c68b8f89908d | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-1010299 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-1010299 |
Change history (0)
No recorded changes yet.