Red Hat Security Advisory: rust-sequoia-sq security update
Affects Red Hat rust-sequoia-sqSource GCVE Database
Not known to be exploited · CVSS 8.7 High : upgrade Red Hat hickory-resolver to 0.26.2 soon.
Data as of 11 Nov 2026, 11:23 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.26.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 18 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Upgrade hickory-resolver to 0.26.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| hickory-dnshickory-resolver | Affected
| Fixed in
|
crates.iohickory-resolverpkg:cargo/hickory-resolverOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released an update for rust-sequoia-sq in Red Hat Enterprise Linux 10 that fixes this vulnerability. Users should apply the update as described in the Red Hat advisory (https://access.redhat.com/articles/11258) to remediate the issue. No additional mitigation steps are indicated beyond applying the official patch.
Description
A security vulnerability in the hickory-resolver component of the rust-sequoia-sq package for Red Hat Enterprise Linux 10 allows DNSSEC validation bypass, which can enable attackers to forge DNS records. This issue is tracked as CVE-2026-93657 and has been rated with an important security impact by Red Hat. An update is available to address this vulnerability.