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Vulnerability record · CVE-2019-14192 · published 31 July 2019

CVE-2019-14192: Denx u-boot out-of-bounds write vulnerability

Denx · U Boot

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy when parsing a UDP packet due to a net_process_received_packet integer underflow during an nc_input_packet call.

9.8 CVSS 3.0 Critical EPSS 2.8% · top 14.2% CWE-191 · CWE-191CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy when parsing a UDP packet due to a net_process_received_packet integer underflow during an nc_input_packet call.

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://blog.semmle.com/uboot-rce-nfs-vulnerability/ Third Party Advisory
https://gitlab.com/u-boot/u-boot Third Party Advisory
https://blog.semmle.com/uboot-rce-nfs-vulnerability/ Third Party Advisory
https://gitlab.com/u-boot/u-boot Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-577017.html

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Related vulnerabilities

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

9.8CVE-2022-34835Denx u-boot out-of-bounds write vulnerabilityIn Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corrupti…EPSS 2.2%9.8CVE-2022-30767Denx u-boot classic buffer overflow vulnerabilitynfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to …EPSS 2.7%9.8CVE-2020-8432Denx u-boot double free vulnerabilityIn Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-wha…EPSS 3.1%9.8CVE-2019-14204Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is a stack-based buffer overflow in this nfs_handler reply helper function: nfs_umountal…EPSS 2.7%9.8CVE-2019-14193Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with an unvalidated length at nfs_readlink_reply, in the "if" blo…EPSS 2.6%9.8CVE-2019-14194Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with a failed length check at nfs_read_reply when calling store_b…EPSS 2.4%9.8CVE-2019-14195Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with unvalidated length at nfs_readlink_reply in the "else" block…EPSS 2.5%9.8CVE-2019-14196Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with a failed length check at nfs_lookup_reply.EPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2019-14192), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.