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Vulnerability record · CVE-2019-15938 · published 5 September 2019

CVE-2019-15938: Pengutronix barebox out-of-bounds write vulnerability

Pengutronix · Barebox

Pengutronix barebox through 2019.08.1 has a remote buffer overflow in nfs_readlink_req in fs/nfs.c because a length field is directly used for a memcpy.

9.8 CVSS 3.0 Critical EPSS 2.1% · top 19.1% CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Pengutronix barebox through 2019.08.1 has a remote buffer overflow in nfs_readlink_req in fs/nfs.c because a length field is directly used for a memcpy.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.pengutronix.de/cgit/barebox/commit/fs/nfs.c?h=next&id=574ce994016107ad8ab0f845a785f28d7eaa5208 Patch
https://git.pengutronix.de/cgit/barebox/commit/fs/nfs.c?h=next&id=574ce994016107ad8ab0f845a785f28d7eaa5208 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-15937Pengutronix barebox out-of-bounds write vulnerabilityPengutronix barebox through 2019.08.1 has a remote buffer overflow in nfs_readlink_reply in net/nfs.c because a length field is directly used for a m…EPSS 2.1%9.1CVE-2020-13910Pengutronix barebox out-of-bounds read vulnerabilityPengutronix Barebox through v2020.05.0 has an out-of-bounds read in nfs_read_reply in net/nfs.c because a field of an incoming network packet is dire…EPSS 1.2%8.6CVE-2026-34963Pengutronix barebox integer overflow vulnerabilitybarebox version prior to 2026.04.0 contains multiple memory-safety vulnerabilities in the EFI PE loader in efi/loader/pe.c where integer overflow in …EPSS 0.22%8.2CVE-2026-33243Pengutronix barebox insufficient verification of data authenticity vulnerabilitybarebox is a bootloader. In barebox from version 2016.03.0 to before version 2026.03.1 (and the corresponding backport to 2025.09.3), an attacker cou…EPSS 0.12%7.5CVE-2021-37847Pengutronix barebox vulnerabilitycrypto/digest.c in Pengutronix barebox through 2021.07.0 leaks timing information because memcmp is used during digest verification.EPSS 1.5%7.5CVE-2021-37848Pengutronix barebox observable discrepancy vulnerabilitycommon/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison.EPSS 1.5%7.1CVE-2026-34960Pengutronix barebox out-of-bounds read vulnerabilitybarebox prior to version 2026.04.0 contains an out-of-bounds read vulnerability in DHCP option parsing within the dhcp_message_type() function that f…EPSS 0.38%6.9CVE-2026-34962Pengutronix barebox vulnerabilitybarebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4_common.c where the ext4fs_ite…EPSS 0.18%

Source: NIST National Vulnerability Database (record CVE-2019-15938), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.