CVE-2026-119207: Psutils · pypdf has possible large memory usage for exceptions in strict mode
Affects psutilsSource GCVE Database
Not known to be exploited · CVSS 7.1 High · fixed in 6.21.3 : patch psutils soon.
Data as of 31 Oct 2026, 16:06 UTC
Thin evidence
One scorer or none| CNA (GitHub_M) | CVSS 4.0 | 7.1 |
|---|
- Patch
- Available – fixed in 6.21.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 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 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Homebrewpsutilspkg:brew/psutilsOther 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
Upgrade to pypdf version 6.21.3 or later to fully remediate this vulnerability. If immediate upgrade is not possible, apply the changes from pull request #4265 in the pypdf repository as a temporary workaround.
Description
CVE-2026-119207 is a high-severity vulnerability in the psutils product affecting versions 3.0 and later. It allows an attacker to craft a malicious PDF that triggers large memory usage by loading an invalid dictionary in strict mode. This can lead to resource exhaustion. The issue has been fixed in pypdf version 6.21.3. Users unable to upgrade immediately can apply the changes from the referenced pull request as a workaround.
References
- github.com/py-pdf/pypdf/security/advisories/GHSA-4vqv-7265-gm2w (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-119207 (opens in a new tab)
- github.com/py-pdf/pypdf/pull/4265 (opens in a new tab)
- github.com/py-pdf/pypdf/commit/64270258c0eced720f7960aecf8cef31afd39f8d (opens in a new tab)
- github.com/py-pdf/pypdf (opens in a new tab)
- github.com/py-pdf/pypdf/releases/tag/6.21.3 (opens in a new tab)