CVE-2025-61723: The processing time for parsing some invalid inputs scales non-linearly with respect to the size of
Source GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 4 Nov 2026, 18:00 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 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 4 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Gogithub.com/golang/go/src/encoding/pempkg:golang/github.com/golang/go/src/encoding/pemOther 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
Until a fix is available, avoid processing untrusted PEM inputs or implement input validation and resource usage limits to mitigate potential impact.
Description
CVE-2025-61723 is a vulnerability where the processing time for parsing certain invalid PEM inputs increases non-linearly with input size. This affects programs that parse untrusted PEM data, potentially leading to performance degradation.
References
- nvd.nist.gov/vuln/detail/CVE-2025-61723 (opens in a new tab)
- go.dev/cl/709858 (opens in a new tab)
- go.dev/issue/75676 (opens in a new tab)
- groups.google.com/g/golang-announce/c/4Emdl2iQ_bI (opens in a new tab)
- pkg.go.dev/vuln/GO-2025-4009 (opens in a new tab)
- openwall.com/lists/oss-security/2025/10/08/1 (opens in a new tab)