PT-2026-56309 · C-Ares · C-Ares
CVE-2026-33630
·
Published
2026-07-07
·
Updated
2026-09-03
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
c-ares versions prior to 1.34.7
Description
The software contains multiple issues. A use-after-free or double-free condition exists in query-completion handling, which can be remotely triggered via the
ares getaddrinfo() function over TCP. Additionally, the software is susceptible to a CPU-exhaustion Denial of Service (DoS) and a memory-amplification Denial of Service (DoS).Recommendations
Update to version 1.34.7.
Exploit
Fix
DoS
Use After Free
Double Free
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Related Identifiers
Affected Products
C-Ares