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CVE-2019-19648

26
FAUCET Score

CVE-2019-19648 is a high-severity vulnerability affecting YARA 3.11.0 and related Fedora/VirusTotal products. It stems from an out-of-bounds memory access within the macho_parse_file functionality when processing specially crafted MachO files. This can lead to a Denial of Service (application crash) or potentially arbitrary code execution. The vulnerability has a CVSS score of 7.8, indicating a high impact with local access and user interaction required. There is currently no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.11.0CPE matchmatch criteria
cpe:2.3:a:virustotal:yara:3.11.0:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

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
1.59%
Probability of exploitation in next 30 days
EPSS Percentile
73.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0159 is in the 72nd 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

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 (3)

ubuntupatch availablevia ubuntu_usn
Product: yara (bionic)Fixed in: 3.7.1-1ubuntu2+esm1
ubuntupatch availablevia ubuntu_usn
Product: yara (focal)Fixed in: 3.9.0-1ubuntu0.1~esm1
ubuntupatch availablevia ubuntu_usn
Product: yara (xenial)Fixed in: 3.4.0+dfsg-2ubuntu0.1~esm1

Vendor Advisories (1)

ubuntuUSN-8080-1

YARA vulnerabilities

Mar 9, 2026

References

github.com / VirusTotal/yara/issues/1178
ExploitThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH