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CVE-2026-63209VulnerabilityPublished Updated

SUSE · Security update for aliyun-cli

Affects SUSESource GCVE Database

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Authoritative record:CVE-2026-63209· High 7.5

Not known to be exploited · CVSS 7.5 High : upgrade SUSE compress to 1.18.7 soon.

Data as of 10 Nov 2026, 20:07 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 1.18.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 10 Nov 2026.

What to do

Upgrade compress and github.com/klauspost/compress to 1.18.7.

Affected software

ProductAffectedFixed in
klauspostcompressAffected
  • <1.18.7
Fixed in
  • 1.18.7
Gogithub.com/klauspost/compresspkg:golang/github.com/klauspost/compressOther threatsAffected
  • <1.18.7
Fixed in
  • 1.18.7

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should update aliyun-cli to version 3.5.1 or later to remediate this vulnerability. The vendor has released this version with the fix included. No additional mitigation steps are indicated.

Description

A security update for aliyun-cli addresses CVE-2026-63209, a signed integer overflow vulnerability in the github.com/klauspost/compress library's s2.NewDict() function. This flaw allows an attacker to bypass repeat index validation and cause a process crash. The update to version 3.5.1 includes this fix along with multiple other improvements and bug fixes.

References

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