CVE-2019-14195: denx u-boot Out-of-bounds Write
Modified
AliasesUBUNTU-CVE-2019-14195DEBIAN-CVE-2019-14195
Published 31-07-2019Last modified 12-05-2026
Vulnerability summary
CVE-2019-14195 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in denx u-boot. EPSS estimates a 2.62% chance of exploitation in the next 30 days, higher than 85.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.62%
0%100%
Low · +0.10 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 31-07-2019PublishedVulnerability first disclosed.
- 12-05-2026Last modifiedVulnerability information updated.
Description
An 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 after calculating the new path length.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.62%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
Increase +0.10 pp
From 2.51% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- u-boot< 2020.01+dfsg-1
Denx1 product
- u-boot≤ 2019.07
Ubuntu1 product
- u-bootAll versions (No fix recorded) | < 2020.10+dfsg-1ubuntu0~18.04.2 | < 2021.01+dfsg-3ubuntu0~20.04.3
3 vendors · 3 products
