CVE catalog
CVE-2015-3294
dnsmasq: CVE-2015-3294
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 4.95% · Oct 25, 2026
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | dnsmasq | sid | 2.93-3 | fixed |
| Debian | dnsmasq | forky | 2.93-3 | fixed |
| Debian | dnsmasq | trixie | 2.91-1+deb13u2 | fixed |
| Debian | dnsmasq | trixie-security | 2.91-1+deb13u1 | fixed |
| Debian | dnsmasq | bookworm | 2.90-4~deb12u2 | fixed |
| Debian | dnsmasq | bookworm-security | 2.90-4~deb12u2 | fixed |
| Ubuntu | dnsmasq | 14.04 | 2.66-4ubuntu1 | vulnerable |
| Ubuntu | dnsmasq | 14.04 | 2.67-1 | vulnerable |
| Ubuntu | dnsmasq | 14.04 | 2.68-1 | vulnerable |
| Ubuntu | dnsmasq | 14.04 | 2.68-1ubuntu0.1 | fixed |
| Suse | dnsmasq | linux enterprise point of sale 11 sp3 | 2.78-0.16.5.1 | fixed |
| Suse | dnsmasq | linux enterprise server 11 sp3-ltss | 2.78-0.16.5.1 | fixed |
| Suse | dnsmasq | linux enterprise server 11 sp3-teradata | 2.78-0.16.5.1 | fixed |
| Suse | dnsmasq | linux enterprise server 11 sp4 | 2.78-0.17.5.1 | fixed |
| Suse | dnsmasq | linux enterprise server for sap applications 11 sp4 | 2.78-0.17.5.1 | fixed |
| Suse | dnsmasq | cloud compute node for suse linux enterprise 12 5 | 2.71-4.1 | fixed |
| Suse | dnsmasq | linux enterprise desktop 12 | 2.71-4.1 | fixed |
| Suse | dnsmasq | linux enterprise server 12 | 2.71-4.1 | fixed |
| Suse | dnsmasq | linux enterprise server for sap applications 12 | 2.71-4.1 | fixed |
| Ubuntu | dnsmasq | 14.04 | 2.66-4ubuntu1 | vulnerable |
| Ubuntu | dnsmasq | 14.04 | 2.67-1 | vulnerable |
| Ubuntu | dnsmasq | 14.04 | 2.68-1 | vulnerable |
| Ubuntu | dnsmasq | 14.04 | 2.68-1ubuntu0.1 | fixed |
| Opensuse | dnsmasq | tumbleweed | 2.76-1.3 | fixed |
| Suse | dnsmasq | linux enterprise server 12-ltss | 2.78-6.6.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | dnsmasq | source | sid | 2.72-3.1 | not yet assigned | Not reported | [783459] |
| Debian | dnsmasq | source | forky | 2.72-3.1 | not yet assigned | Not reported | [783459] |
| Debian | dnsmasq | source | trixie | 2.72-3.1 | not yet assigned | Not reported | [783459] |
| Debian | dnsmasq | source | bookworm | 2.72-3.1 | not yet assigned | Not reported | [783459] |
| Ubuntu | dnsmasq | deb | 14.04 | 2.68-1ubuntu0.1 | Not reported | USN-2593-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise point of sale 11 sp3 | 2.78-0.16.5.1 | Not reported | SUSE-SU-2017:2617-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise server 11 sp3-ltss | 2.78-0.16.5.1 | Not reported | SUSE-SU-2017:2617-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise server 11 sp3-teradata | 2.78-0.16.5.1 | Not reported | SUSE-SU-2017:2617-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise server 11 sp4 | 2.78-0.17.5.1 | Not reported | SUSE-SU-2017:2619-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise server for sap applications 11 sp4 | 2.78-0.17.5.1 | Not reported | SUSE-SU-2017:2619-1 | Not reported |
| Suse | dnsmasq | rpm | cloud compute node for suse linux enterprise 12 5 | 2.71-4.1 | Not reported | SUSE-SU-2015:0979-2 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise desktop 12 | 2.71-4.1 | Not reported | SUSE-SU-2015:0979-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise server 12 | 2.71-4.1 | Not reported | SUSE-SU-2015:0979-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise server for sap applications 12 | 2.71-4.1 | Not reported | SUSE-SU-2015:0979-1 | Not reported |
| Ubuntu | dnsmasq | deb | 14.04 | 2.68-1ubuntu0.1 | Not reported | UBUNTU-CVE-2015-3294 | Not reported |
| Opensuse | dnsmasq | rpm | tumbleweed | 2.76-1.3 | Not reported | OPENSUSE-SU-2024:10195-1 | Not reported |
| Suse | dnsmasq | rpm | linux enterprise server 12-ltss | 2.78-6.6.1 | Not reported | SUSE-SU-2017:2616-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [dnsmasq]Unknown
Details (4)
2.90-4~deb12u2· all · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· all · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· all · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· all · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
- [dnsmasq-base]Unknown
Source package: [dnsmasq]
Details (4)
2.90-4~deb12u2· amd64 · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· arm64 · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
- [dnsmasq-base-lua]Unknown
Source package: [dnsmasq]
Details (4)
2.90-4~deb12u2· amd64 · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· arm64 · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
- [dnsmasq-utils]Unknown
Source package: [dnsmasq]
Details (4)
2.90-4~deb12u2· amd64 · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· arm64 · bookwormFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· amd64 · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
2.90-4~deb12u2· arm64 · bookworm-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · bookworm; dsa · dnsmasq · debian · 12
[Debian 13 (Trixie)]
- [dnsmasq]Unknown
Details (4)
2.91-1+deb13u1· all · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· all · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· all · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· all · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
- [dnsmasq-base]Unknown
Source package: [dnsmasq]
Details (4)
2.91-1+deb13u1· amd64 · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· arm64 · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· amd64 · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
- [dnsmasq-base-lua]Unknown
Source package: [dnsmasq]
Details (4)
2.91-1+deb13u1· amd64 · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· arm64 · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· amd64 · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
- [dnsmasq-utils]Unknown
Source package: [dnsmasq]
Details (4)
2.91-1+deb13u1· amd64 · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· arm64 · trixieFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· amd64 · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
2.91-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
2.72-3.1dsa · dnsmasq · debian · 13
[openSUSE Tumbleweed]
- [dnsmasq]Unknown
Source package: [dnsmasq]
Details (1)
2.93-2.3· x86_64 · tumbleweedFixed · Fixed:
2.76-1.3dsa · dnsmasq · opensuse · tumbleweed
- [dnsmasq-utils]Unknown
Source package: [dnsmasq]
Details (1)
2.93-2.3· x86_64 · tumbleweedUnknown · Fixed:
2.76-1.3Version impact unknown
dsa · dnsmasq · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2015_0979-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-3294]
- [https://osv.dev/vulnerability/DLA-225-1]
- [https://osv.dev/vulnerability/DSA-3251-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:0979-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:0979-2]
- [https://osv.dev/vulnerability/SUSE-SU-2017:2616-1]
- [https://osv.dev/vulnerability/SUSE-SU-2017:2617-1]
- [https://osv.dev/vulnerability/SUSE-SU-2017:2619-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-3294]
- [https://osv.dev/vulnerability/USN-2593-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:10195-1]
- [https://security-tracker.debian.org/tracker/CVE-2015-3294]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]