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CVE-2019-1010299

19
FAUCET Score

CVE-2019-1010299 is an information exposure vulnerability affecting Rust Programming Language Standard Library versions 1.18.0 and later, specifically within the Debug trait implementation for std::collections::vec_deque::Iter. When debug printing an iterator over an empty VecDeque, the contents of uninitialized memory could be exposed to strings or log files. Rated Medium severity (CVSS 5.3), this vulnerability has a network attack vector and low attack complexity, potentially leading to information disclosure (CWE-200, CWE-908). There is no impact on integrity or availability. Currently, there is no evidence of active exploitation, nor are there any known public exploits (Metasploit, Nuclei, ExploitDB). Community discussion and media coverage for this CVE are minimal, indicating low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.18.0, < 1.30.0CPE matchmatch criteria
cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.52%
Probability of exploitation in next 30 days
EPSS Percentile
71.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0152 is in the 55th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-1010299Low

rust: print of uninitialized memory in the debug trait implementation for std::collections::vec_deque::Iter

Aug 21, 2018

References

github.com / rust-lang/rust/issues/53566
ExploitIssue TrackingThird Party Advisory
github.com / rust-lang/rust/pull/53571/commits/b85e4cc8fadaabd41da5b9645c08c68b8f89908d
PatchThird Party Advisory