Ubuntu c-ares flaws can crash the library or run code
SOA reply parsing can crash c-ares on Ubuntu 16.04 LTS and 18.04 LTS; a sortlist bug can run code on 16.04.
32
Product
c-ares
- Mentions · 7d2
- Mentions · 30d3
- All mentions3
- First seenSep 29, 2026
- Last mentioned4d ago
Timeline
3 articles · newest firstNode.js patches high-severity flaws in 22.x, 24.x, and 26.x
Fixes include a Brotli out-of-bounds write that can allow remote code execution, plus TLS hostname bypasses.
74
USN-8844-1: c-ares vulnerability
Ubuntu patched c-ares after a callback bug that can cause use-after-free, denial of service, or code execution.
36
Related CVEs
by mentions- CVE-2026-11149733%9.2Buffer overflow in Google Brotli decoder 1.0.3–1.2.0
- CVE-2022-49041%8.6c-ares package: The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack…
- CVE-2026-105482<1%7.4NUL-byte truncation in Node.js dns.resolve* and dns.reverse
- TLS hostname check bypass in Node.js 24.x and 26.x
- TLS hostname mismatch in Node.js for leading-zero IPv4
- A flaw in Node.js TLS hostname verification allows a certificate with only a DNS SAN to authenticate an IP endpoint when the client connects using a…
- A flaw in Node.js HTTP Agent connection reuse can cause a client to accept as valid a response that was sent before the client has sent the request
- A flaw in Node.js `crypto` causes the internal entropy caches used by `crypto.randomUUID()`, `crypto.randomUUIDv7()`, and `crypto.randomInt()` to be saved into…
- A flaw in Node.js Permission Model filesystem enforcement can grant access to paths that do not match a wildcard `--allow-fs-read` or `--allow-fs-write` rule
- A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync()` without the required read permission checks
Appears with
Entities are extracted by the model from each article. First seen , last mentioned . Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.