NULL Pointer Dereference Affecting openssl package, versions [1.0.2u,3.1.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Jun 2026
- disclosed9 Jun 2026
- creditMayank Jangid, Kushal Khemka,Hari Priandana,Bhabani Sankar Das,Qifan Zhang
Introduced: 9 Jun 2026
NewCVE-2026-42766 (opens in a new tab)How to fix?
Upgrade openssl to version 3.1.0 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference in the ossl_cms_RecipientInfo_pwri_crypt() function. An attacker who supplies a malicious password-encrypted CMS message can crash an application, because the PasswordRecipientInfo.keyDerivationAlgorithm field is optional, but is dereferenced it without checking that it is present.