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No exploitation reportedFix available

CVE-2019-19648

No exploitation reported by the sources we read.

  • Published2019-12-09
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.

Timeline

dates in UTC
  1. 2019-12-0901:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
33.x= 33no fix published
34.x= 34no fix published
Virustotal yara
BranchAffectedFixed in
3.11= 3.11.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • yaraUbuntu:Pro:20.04:LTSall versions · fixed in 3.9.0-1ubuntu0.1~esm1
  • yaraDebian:14all versions · no fixed version listed
  • yaraDebian:13all versions · no fixed version listed
  • yaraDebian:12all versions · no fixed version listed

Vendor advisories

  • CVE-2019-19648 Red Hat Product Security

    yara: out-of-bounds memory access in macho_parse_file in macho/macho.c

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2019-12-09
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-7fcj-v5v7-gm5g

Frequently asked questions

What is CVE-2019-19648?

In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution.

Is CVE-2019-19648 actively exploited?

Active exploitation of CVE-2019-19648 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-19648?

CVE-2019-19648 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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