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ISC — Vulnerabilities & Security Advisories 130

Browse all 130 CVE security advisories affecting ISC. AI-powered Chinese analysis, POCs, and references for each vulnerability.

ISC, primarily known for its Internet Systems Consortium software including BIND DNS and DHCP servers, serves as critical infrastructure for global name resolution and network configuration. With 101 recorded CVEs, the project has historically faced diverse security challenges, ranging from remote code execution and buffer overflows to cross-site scripting and privilege escalation vulnerabilities. These flaws often stem from complex parsing logic or improper input validation within the core networking daemons. Notable incidents include critical DNS cache poisoning risks and denial-of-service vectors that have prompted urgent patches across major distributions. The high volume of vulnerabilities reflects the software’s pervasive deployment and the rigorous scrutiny applied to its codebase. While ISC maintains an active security response process, the sheer number of disclosed issues highlights the inherent complexity of maintaining foundational internet protocols. Continuous updates remain essential for administrators relying on these tools to ensure network stability and integrity against evolving threat landscapes.

CVE ID Title CVSS Severity Published
CVE-2023-3341 A stack exhaustion flaw in control channel code may cause named to terminate unexpectedly — BIND 9 7.5 High 2023-09-20
CVE-2023-2911 Exceeding the recursive-clients quota may cause named to terminate unexpectedly when stale-answer-client-timeout is set to 0 — BIND 9 7.5 High 2023-06-21
CVE-2023-2829 Malformed NSEC records can cause named to terminate unexpectedly when synth-from-dnssec is enabled — BIND 9 7.5 High 2023-06-21
CVE-2023-2828 named's configured cache size limit can be significantly exceeded — BIND 9 7.5 High 2023-06-21
CVE-2022-3924 named configured to answer from stale cache may terminate unexpectedly at recursive-clients soft quota — BIND 9 7.5 High 2023-01-25
CVE-2022-3736 named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries — BIND 9 7.5 High 2023-01-25
CVE-2022-3488 named may terminate unexpectedly when processing ECS options in repeated responses to iterative queries — BIND 9 7.5 High 2023-01-25
CVE-2022-3094 An UPDATE message flood may cause named to exhaust all available memory — BIND 9 7.5 High 2023-01-25
CVE-2022-2929 DHCP memory leak — ISC DHCP 6.5 Medium 2022-10-07
CVE-2022-2928 An option refcount overflow exists in dhcpd — ISC DHCP 6.5 Medium 2022-10-07
CVE-2022-3080 BIND 9 resolvers configured to answer from stale cache with zero stale-answer-client-timeout may terminate unexpectedly — BIND9 7.5 High 2022-09-21
CVE-2022-38178 Memory leaks in EdDSA DNSSEC verification code — BIND9 7.5 High 2022-09-21
CVE-2022-38177 Memory leak in ECDSA DNSSEC verification code — BIND9 7.5 High 2022-09-21
CVE-2022-2881 Buffer overread in statistics channel code — BIND9 5.5 Medium 2022-09-21
CVE-2022-2906 Memory leaks in code handling Diffie-Hellman key exchange via TKEY RRs (OpenSSL 3.0.0+ only) — BIND9 7.5 High 2022-09-21
CVE-2022-2795 Processing large delegations may severely degrade resolver performance — BIND9 5.3 Medium 2022-09-21
CVE-2022-1183 Destroying a TLS session early causes assertion failure — BIND9 7.5 High 2022-05-19
CVE-2021-25220 DNS forwarders - cache poisoning vulnerability — BIND 6.8 Medium 2022-03-23
CVE-2022-0635 ISC BIND 安全漏洞 — BIND 7.5 High 2022-03-23
CVE-2022-0396 DoS from specifically crafted TCP packets — BIND 5.3 Medium 2022-03-23
CVE-2022-0667 Assertion failure on delayed DS lookup — BIND 7.5 High 2022-03-22
CVE-2021-25219 Lame cache can be abused to severely degrade resolver performance — BIND9 5.3 Medium 2021-10-27
CVE-2021-25218 A too-strict assertion check could be triggered when responses in BIND 9.16.19 and 9.17.16 require UDP fragmentation if RRL is in use — BIND9 7.5 High 2021-08-18
CVE-2021-25217 A buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclient — ISC DHCP 7.4 High 2021-05-26
CVE-2021-25215 An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself — BIND9 7.5 High 2021-04-29
CVE-2021-25216 A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack — BIND9 8.1 High 2021-04-29
CVE-2021-25214 A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly — BIND9 6.5 Medium 2021-04-29
CVE-2020-8625 A vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack — BIND9 8.1 High 2021-02-17
CVE-2020-8623 A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c — BIND9 7.5 High 2020-08-21
CVE-2020-8624 update-policy rules of type "subdomain" are enforced incorrectly — BIND9 4.3 Medium 2020-08-21

This page lists every published CVE security advisory associated with ISC. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.