# CVE-2017-3135: Combination of DNS64 and RPZ Can Lead to Crash > Attackers can crash the BIND DNS server by triggering a null pointer dereference when DNS64 and RPZ features are both enabled. - **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Over the internet - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 16 Jan 2019 - **Updated:** 16 Sep 2024 - **Also known as:** ALPINE-CVE-2017-3135, DEBIAN-CVE-2017-3135, DLA-843-1, DSA-3795-1, GHSA-369c-w4jq-mxgx, RHSA-2017:0276, SUSE-SU-2017:0594-1, SUSE-SU-2017:0595-1, SUSE-SU-2017:0596-1, UBUNTU-CVE-2017-3135, USN-3201-1 ## What is CVE-2017-3135? CVE-2017-3135 is a high-severity vulnerability in Debian Debian Linux, published on 16 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim. ### Official description Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5, 9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1. Weakness: CWE-476 (NULL Pointer Dereference) ## Which versions are affected by CVE-2017-3135? It affects 10 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `bind` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-chroot` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-debuginfo` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-devel` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-libs` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-libs-lite` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-license` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-lite-devel` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11-devel` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11-libs` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11-utils` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-sdb` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-sdb-chroot` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind-utils` | Red Hat:enterprise_linux:7::client | All versions | 32:9.9.4-38.el7_3.2 | | `bind` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-chroot` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-debuginfo` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-devel` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-libs` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-libs-lite` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-license` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-lite-devel` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11-devel` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11-libs` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11-utils` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-sdb` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-sdb-chroot` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind-utils` | Red Hat:enterprise_linux:7::computenode | All versions | 32:9.9.4-38.el7_3.2 | | `bind` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-chroot` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-debuginfo` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-devel` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-libs` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-libs-lite` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-license` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-lite-devel` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | | `bind-pkcs11-devel` | Red Hat:enterprise_linux:7::server | All versions | 32:9.9.4-38.el7_3.2 | Products: Debian Debian Linux, Isc Bind, Netapp Data Ontap Edge, Netapp Element Software Management Node, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Server Tus, Redhat Enterprise Linux Workstation. ## How do I fix CVE-2017-3135? Apply the vendor's patch. ## Is CVE-2017-3135 being exploited? There is no known exploitation of CVE-2017-3135 in the wild and no public exploit code. ## Other vulnerabilities in Debian Debian Linux - [CVE-2015-3306](https://insights.sbomify.com/CVE-2015-3306/): ProFTPD Improper Access Control (critical 10.0, exploited in the wild) - [CVE-2025-49113](https://insights.sbomify.com/CVE-2025-49113/): RoundCube Webmail Deserialization of Untrusted Data (critical 9.9, exploited in the wild) - [CVE-2026-24061](https://insights.sbomify.com/CVE-2026-24061/): GNU InetUtils Argument Injection (critical 9.8, exploited in the wild) - [CVE-2025-39682](https://insights.sbomify.com/CVE-2025-39682/): Linux Kernel Improper Check for Unusual or Exceptional Conditions (critical 9.8, exploited in the wild) - [CVE-2024-9680](https://insights.sbomify.com/CVE-2024-9680/): Mozilla Firefox Use-After-Free (critical 9.8, exploited in the wild) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2017-3135 and fix it if it is affected. What it is: CVE-2017-3135 is a high-severity vulnerability in Debian Debian Linux, published on 16 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim. Exploitation: There is no known exploitation of CVE-2017-3135 in the wild and no public exploit code. Affected product: Debian Debian Linux. No package-level version data is available, so check the vendor advisory linked from the reference page. Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2017-3135/ (Markdown: https://insights.sbomify.com/CVE-2017-3135/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2017-3135 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-3135 - OSV: https://osv.dev/vulnerability/CVE-2017-3135 --- From sbomify Insights: https://insights.sbomify.com/CVE-2017-3135/ Summaries are generated and may contain mistakes; the official description above is the record.