jose-php before 2.2.1 does not use constant-time operations for HMAC comparison, which makes it easier for remote attackers to obtain sensitive information via a timing attack, related to JWE.php and JWS.php.
https://github.com/nov/jose-php/commit/f03b986b4439e20b0fd635109b48afe96cf0099b#diff-37b0d289d6375ba4a7740401950ccdd6R287
https://github.com/nov/jose-php/commit/1cce55e27adf0274193eb1cd74b927a398a3df4b#diff-2a982d82ef0f673fd0ba2beba0e18420R138
http://www.securityfocus.com/bid/92743
Source: Mitre, NVD
Published: 2016-09-03
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 3.7
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity: Low
EPSS: 0.00325