Skip to content
OpenAdvisories

Archive

22 July 2026

Vulnerabilities first published on this day (UTC), newest first.

8 results · Clear filters · Feed

  • Low 2.1

    Heap-based Buffer Overflow in GNU diffutils

    diff3 tool from GNU diffutils is vulnerable to a heap‑based buffer overflow due to multiple signed integer overflows in line‑mapping calculations. Incorrect arithmetic in mapping line ranges can result in corrupted values being used for memory allocation and …

  • Low 3.1

    Privacy/configuration issue when adding local data in views through 'unbound-control'

    In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, the 'view_local_data' and 'view_local_datas' commands of 'unbound-control' create a bare local zones tree for an already configured named view when the view is configured with no local data to begin with…

  • Low 3.7

    DNS Cookie bypass when combined with proxy-protocol use

    In NLnet Labs Unbound 1.18.0 up to and including 1.25.1, when Unbound listens on a 'proxy-protocol-port' interface with 'answer-cookie: yes', the RFC 9018 server-cookie SipHash is computed over the proxy's wire address instead of the PROXYv2-declared client. …

  • Low 3.7

    A wildcard replay, as another piece of data, triggers poisoning in the serve expired reply path

    In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, a replay of a wildcard rrset as another piece of data, could be briefly considered DNSSEC secure based only on the RRSIG validation and stored into cache, before later validation treats it as bogus based…

  • Low 3.7

    Off-by-one error in 'harden-below-nxdomain' logic can shadow a stub/forward zone by a legitimate parent's NXDOMAIN

    In NLnet Labs Unbound 1.13.2 up to and including 1.25.1, stub or forward zones where the name is below an intermediate labed below a DNSSEC signed zone could be shadowed by the intermediate label's secure NXDOMAIN answer from the parent. This is caused by an …

  • Low 3.7

    Extra fix for CVE-2026-40622 to also clamp the TTL of A/AAAA records disallowing a one-time 'ghost domain' delegation renewal via glue records

    In NLnet Labs Unbound 1.16.2 up to and including 1.25.1, a similar vulnerability as with CVE-2026-40622 in the 'ghost domain names' family of attacks was found in Unbound that could extend the ghost domain window by up to one cached TTL configured value for A…

  • Low 3.7

    Degradation of resolution service from improperly accounted client-terminated DNS-over-QUIC queries

    In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC (DoQ) queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This result…

  • Low 3.3

    Ansible-lightspeed: ansible lightspeed extension for visual studio code: information disclosure of google gemini api key

    A flaw was found in the Ansible Lightspeed extension for Visual Studio Code. This vulnerability allows an attacker with local access to the workstation, or malware running with the user's privileges, to read the Google Gemini API key. The extension insecurely…