CVE-2026-12246 (GCVE-0-2026-12246)

Vulnerability from cvelistv5 – Published: 2026-06-25 05:24 – Updated: 2026-06-25 12:42
VLAI?
Title
Out of bounds stack write with crafted APL RR
Summary
NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes.
Severity ?
7.2 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
NLnet Labs NSD Affected: 4.14.0 , < 4.14.3 (semver)
Create a notification for this product.
Credits
Qifan Zhang from Palo Alto Networks Haruki Oyama from Waseda University zhangph
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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