CVE-2026-5260
CVE-2026-5260 · Gnutls: gnutls: information disclosure via heap overread in rsa key exchange
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure.
CVSS 8.2 · High · EPSS 0.8% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
red hat enterprise linux 10
- Versions
- ≥ 0:3.8.10-4.el10_2: Not affected (rpm)
No fix published
red hat enterprise linux 10.0 extended update support
- Versions
- ≥ 0:3.8.9-9.el10_0.19: Not affected (rpm)
No fix published
red hat enterprise linux 8
- Versions
- ≥ 0:3.6.16-8.el8_10.6: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 advanced mission critical update support
- Versions
- ≥ 0:3.6.14-10.el8_4.1: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 advanced mission critical update support
- Versions
- ≥ 0:4.13-3.el8_4.1: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 extended update support long-life add-on
- Versions
- ≥ 0:3.6.14-10.el8_4.1: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 extended update support long-life add-on
- Versions
- ≥ 0:4.13-3.el8_4.1: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 advanced mission critical update support
- Versions
- ≥ 0:3.6.16-5.el8_6.5: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 advanced mission critical update support
- Versions
- ≥ 0:4.13-3.el8_6.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 extended update support long-life add-on
- Versions
- ≥ 0:3.6.16-5.el8_6.5: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 extended update support long-life add-on
- Versions
- ≥ 0:4.13-3.el8_6.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 telecommunications update service
- Versions
- ≥ 0:3.6.16-7.el8_8.4: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 telecommunications update service
- Versions
- ≥ 0:4.13-4.el8_8.1: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 update services for sap solutions
- Versions
- ≥ 0:3.6.16-7.el8_8.4: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 update services for sap solutions
- Versions
- ≥ 0:4.13-4.el8_8.1: Not affected (rpm)
No fix published
red hat enterprise linux 9
- Versions
- ≥ 0:3.8.10-4.el9_8: Not affected (rpm)
No fix published
red hat enterprise linux 9.2 update services for sap solutions
- Versions
- ≥ 0:3.7.6-21.el9_2.7: Not affected (rpm)
No fix published
red hat enterprise linux 9.4 update services for sap solutions
- Versions
- ≥ 0:3.8.3-4.el9_4.6: Not affected (rpm)
No fix published
red hat enterprise linux 9.6 extended update support
- Versions
- ≥ 0:3.8.3-6.el9_6.4: Not affected (rpm)
No fix published
red hat openshift container platform 4.12
- Versions
- ≥ 412.86.202608241157-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.13
- Versions
- ≥ 413.92.202609302032-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.14
- Versions
- ≥ 414.92.202609111941-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.15
- Versions
- ≥ 415.92.202610081130-0: Not affected (rpm)
No fix published
red hat openshift container platform 4.16
- Versions
- ≥ 416.94.202608150307-0: Not affected (rpm)
No fix published
Original sources
- https://access.redhat.com/errata/RHSA-2026:13274
- https://access.redhat.com/errata/RHSA-2026:20611
- https://access.redhat.com/errata/RHSA-2026:20612
- https://access.redhat.com/errata/RHSA-2026:20613
- https://access.redhat.com/errata/RHSA-2026:26319
- https://access.redhat.com/errata/RHSA-2026:26409
- https://access.redhat.com/errata/RHSA-2026:29197
- https://access.redhat.com/errata/RHSA-2026:30004
- https://access.redhat.com/errata/RHSA-2026:30849
- https://access.redhat.com/errata/RHSA-2026:30850
- https://access.redhat.com/errata/RHSA-2026:32962
- https://access.redhat.com/errata/RHSA-2026:33125
- https://access.redhat.com/errata/RHSA-2026:40762
- https://access.redhat.com/errata/RHSA-2026:41921
- https://access.redhat.com/errata/RHSA-2026:56853
- https://access.redhat.com/errata/RHSA-2026:57483
- https://access.redhat.com/errata/RHSA-2026:58981
- https://access.redhat.com/errata/RHSA-2026:59831
- https://access.redhat.com/errata/RHSA-2026:60019
- https://access.redhat.com/errata/RHSA-2026:67837
- https://access.redhat.com/errata/RHSA-2026:72502
- https://access.redhat.com/errata/RHSA-2026:74674
- https://access.redhat.com/errata/RHSA-2026:77320
- https://nvd.nist.gov/vuln/detail/CVE-2026-5260