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CVE-2019-15549

23
FAUCET Score

CVE-2019-15549 is a memory exhaustion vulnerability affecting the asn1_der crate before version 0.6.2 for Rust. An attacker can trigger a denial-of-service by providing a large value in a length field, leading to excessive memory allocation. This vulnerability has a CVSS score of 7.5 (High), indicating a network-exploitable issue with low attack complexity and high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.6.2CPE matchmatch criteria
cpe:2.3:a:asn1_der_project:asn1_der:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.38%
Probability of exploitation in next 30 days
EPSS Percentile
69.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0138 is in the 50th percentile among its peer group of 51,485 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rustpatch availablevia ghsa
Product: asn1_derFixed in: 0.6.2

Vendor Advisories (1)

rustGHSA-v5r6-6r3c-wqxchigh

Memory exhaustion in asn1_der

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2019-0007.html
Third Party Advisory