CVE-2019-5094

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

Affected

E2fsprogs

CVSS v3.1 NVD

6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 CISCO

7.5 HIGHCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS

1.10% chance of exploitation in the next 30 days, 65th percentile

Published

2019-09-24

Updated

2026-10-14

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0887

Security advisories

• https://lists.debian.org/debian-lts-announce/2019/09/msg00029.html
• https://seclists.org/bugtraq/2019/Sep/58
• https://security.gentoo.org/glsa/202003-05
• https://security.netapp.com/advisory/ntap-20200115-0002
• https://usn.ubuntu.com/4142-1
• https://usn.ubuntu.com/4142-2
• https://www.debian.org/security/2019/dsa-4535

References

• CVE Record
• NVD entry