CVE-2019-14513: debian debian_linux Out-of-bounds Read
CVSS: 7.5v3.1HighModified
AliasesRHBA-2017:2117UBUNTU-CVE-2019-14513DEBIAN-CVE-2019-14513DLA-1921-1
Published 01-08-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-14513 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.70%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 01-08-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491.
CVSS metrics
5 scores · 4 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.3Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.70%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.70% on 19-09-2026
19-09-202619-10-2026
EPSS score1.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundDnsmasq Pre2.76
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Redhat3 products
- dnsmasq< 0:2.76-2.el7
- dnsmasq-debuginfo< 0:2.76-2.el7
- dnsmasq-utils< 0:2.76-2.el7
Debian2 products
- dnsmasq< 2.76-1 | < 2.72-3+deb8u5
- debian_linuxEOL8.0
Thekelleys1 product
- dnsmasq< 2.76
Ubuntu1 product
- dnsmasqAll versions (No fix recorded) | < 2.75-1ubuntu0.16.04.10
4 vendors · 7 products
References
15 links
lists.debian.org/debian-lts-announce/2019/09/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory
