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CVE-2021-3674

25
FAUCET Score

CVE-2021-3674 describes a memory corruption vulnerability in rizin, a reverse engineering framework. Crafted ELF headers can lead to out-of-bounds reads during section data allocation, potentially resulting in memory corruption and arbitrary code execution. This vulnerability carries a CVSS score of 7.8 (High), indicating a significant impact with high confidentiality, integrity, and availability concerns, requiring user interaction for exploitation. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.2.1CPE matchmatch criteria
cpe:2.3:a:rizin:rizin:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 33rd percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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

References

gist.github.com / netspooky/61101e191afee95feda7dbd2f6b061c4
ExploitThird Party Advisory
github.com / rizinorg/rizin/pull/1313
ExploitPatchVendor Advisory