CVE-2017-12865: debian debian_linux
Vulnerability summary
CVE-2017-12865 is a critical (CVSS 9.8) vulnerability in debian debian_linux. EPSS estimates a 5.52% chance of exploitation in the next 30 days, higher than 92.8% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 6% (FIRST, 04-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Duplicates 1 · Related 1Timeline
- 29-08-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Stack-based buffer overflow in "dnsproxy.c" in connman 1.34 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted response query string passed to the "name" variable.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.52%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.52% on 05-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- connman< 1.35-1 | < 1.21-1.2+deb8u1 | < 1.33-3+deb9u1 | < 1.0-1.1+wheezy2
- debian_linuxEOL8.0
Mageia2 products
- connman< 1.24-4.1.mga5
- connman< 1.33-6.1.mga6
Intel1 product
- connman≤ 1.34
Ubuntu1 product
- connman< 1.21-1.2+deb8u1build0.16.04.1
4 vendors · 6 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=1483720X Refsource CONFIRMIssue TrackingPatchThird Party Advisory