SUSE · Security update for perl-Cpanel-JSON-XS
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 5.6 Medium.
Data as of 1 Nov 2026, 11:02 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 39% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 8 Sep 2025
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 1 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SUSE Product Security Team SUSE | Affected
| Fixed in– |
AI-suggested
A security update is available that addresses these vulnerabilities. Users should upgrade perl-Cpanel-JSON-XS to version 4.42.0 or later to apply all fixes. No additional mitigation is required beyond applying the official update.
Description
This security update for perl-Cpanel-JSON-XS addresses multiple issues including fixes for CVE-2025-40929 related to overflow with overlong numbers, and other bugs affecting JSON encoding and decoding. The update improves handling of malformed numbers, fixes memory corruption and type confusion vulnerabilities, and aligns behavior with JSON::PP. The update is critical due to the nature of the overflow vulnerability and other memory-related fixes.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_21140-1.json (opens in a new tab)
- bugzilla.suse.com/1249331 (opens in a new tab)
- bugzilla.suse.com/1267546 (opens in a new tab)
- bugzilla.suse.com/1267547 (opens in a new tab)
- suse.com/security/cve/CVE-2025-40929/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-9334/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-9516/ (opens in a new tab)