CVE-2019-14192: denx u-boot Integer Underflow (Wrap or Wraparound)
Modified
AliasesUBUNTU-CVE-2019-14192DEBIAN-CVE-2019-14192
Published 31-07-2019Last modified 12-05-2026
Vulnerability summary
CVE-2019-14192 is a critical (CVSS 9.8) Integer Underflow (Wrap or Wraparound) vulnerability in denx u-boot. EPSS estimates a 2.77% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.77%
0%100%
Low · 0.00 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 when parsing a UDP packet due to a net_process_received_packet integer underflow during an nc_input_packet call.
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
2.77%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.77% 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 cause- CWE-191Integer Underflow (Wrap or Wraparound)The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected 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
