TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8
240 comments
- Points477
- Comments218
#2Rank now –
#2Peak rank
2Days on list
267Score · 7d
Oct 31, 2026First seen
Rank · 7 days
On Hacker News
- Points
- 477
- Comments
- 218
- Submitted by
- oger
- Posted
- Oct 31, 2026
- Site
- atlasum.net
Story details from Hacker News ↗ · linked article on atlasum.net.
Trending history
TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8 was first seen on Hacker News · Front page on Oct 31, 2026. Since then it has appeared in 62 checks on 2 different days. Its best position was #2 of 30, reached on Nov 1, 00:52 UTC. It is #2 right now, holding steady at #2 over the last 6 checks.
Rank history
Position on Hacker News · Front page at every check (lower is better).
Last 14 days
Best rank per day (UTC).
6
2
Oct 19today
Metric history
points as reported by Hacker News.
From the discussion
A few top-level comments from Hacker News, shortened. Read the full thread on Hacker News.
> TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8 I know it's customary for HN to edit titles to remove extraneous information, but removing "Linux" here really takes away something useful and relevant. This is a Linux vulnerability. If you're running *BSD or Mac or Windows, not affected.
Some notes I've got about this: - MPTCP is not a requirement, it is a generic use-after-free. - Exploitability over the internet is unlikely, most ISP routers drop packets with IP options fields. - At least according to Red Hat, dropping packets with IP options yourself helps, but is not a full mitigation. -…
How are Ubuntu and RHEL not fixed? Few operating systems market themselves more as suitable for servers. What are they doing over there?
Questions
Is TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8 trending on Hacker News right now?
Yes. As of Nov 1, 11:07 UTC it is #2, holding steady at #2 over the last 6 checks.
What is the highest rank TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8 reached?
#2 on Hacker News · Front page, on Nov 1, 00:52 UTC. Trendoday checks this list every 15 minutes.
How long has TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8 been trending?
It was first seen on Oct 31, 2026 and has been on the list on 2 days (62 checks) since.
How much discussion did it get on Hacker News?
477 points and 218 comments; submitted by oger on Oct 31, 2026.