Description
Perl Crypt::JWT prior to 0.023 is affected by: Incorrect Access Control. The impact is: allow attackers to bypass authentication by providing a token by crafting with hmac(). The component is: JWT.pm, line 614. The attack vector is: network connectivity. The fixed version is: after commit b98a59b42ded9f9e51b2560410106207c2152d6c.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Perl Crypt::JWT | Perl Crypt::JWT | prior to 0.023 [fixed: after commit b98a59b42ded9f9e51b2560410106207c2152d6c] | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libcrypt-jwt-perl | No fix yet | — |
| Ubuntu 26.04 LTS | libcrypt-jwt-perl | No fix yet | — |
| Ubuntu 25.10 | libcrypt-jwt-perl | No fix yet | — |
| Ubuntu 24.04 LTS | libcrypt-jwt-perl | No fix yet | — |
| Ubuntu 22.04 LTS | libcrypt-jwt-perl | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libcrypt-jwt-perl | No fix yet | — |