Description
The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenSSL | OpenSSL | Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i), Fixed in OpenSSL 1.1.1a (Affected 1.1.1) | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | openssl | 1.1.1a-1 | — |
| Debian 13 | openssl | 1.1.1a-1 | — |
| Debian 12 | openssl | 1.1.1a-1 | — |
| Debian 9 | openssl | 1.1.0j-1~deb9u1 | DSA-4348-1 |
| Debian 8 | openssl | 1.0.1t-1+deb8u10 | DLA-1586-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | openssl | 1.1.0g-2ubuntu4.3 | USN-3840-1 |
| Ubuntu 18.04 LTS | openssl1.0 | 1.0.2n-1ubuntu5.2 | USN-3840-1 |
| Ubuntu 16.04 LTS | openssl | 1.0.2g-1ubuntu4.14 | USN-3840-1 |
| Ubuntu 14.04 LTS | openssl | 1.0.1f-1ubuntu2.27 | USN-3840-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | openssl +3 | 1:1.1.1c-2.el8 | RHSA-2019:3700 |
| RHEL 7 | openssl +4 | 1:1.0.2k-16.el7_6.1 | RHSA-2019:0483 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | openssl-1_1 | 1.1.0i-4.15.1 | SUSE-SU-2018:3863-1 |
| SLES 12 SP4 | openssl-1_1 | 1.1.1-2.3.1 | SUSE-SU-2018:3945-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP4 | openssl-1_1 | 1.1.1-2.3.1 | SUSE-SU-2018:3945-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | openssl-1_1 | 1.1.1l-1.2 | openSUSE-SU-2024:11127-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | nodejs | 10.14.0-r0 | — |
| Alpine v3.24 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.24 | openssl | 1.1.1a-r0 | — |
| Alpine v3.23 | nodejs | 10.14.0-r0 | — |
| Alpine v3.23 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.23 | openssl | 1.1.1a-r0 | — |
| Alpine v3.22 | nodejs | 10.14.0-r0 | — |
| Alpine v3.22 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.22 | openssl | 1.1.1a-r0 | — |
| Alpine v3.21 | nodejs | 10.14.0-r0 | — |
| Alpine v3.21 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.21 | openssl | 1.1.1a-r0 | — |
| Alpine v3.20 | nodejs | 10.14.0-r0 | — |
| Alpine v3.20 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.20 | openssl | 1.1.1a-r0 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | nodejs | 10.14.0-r0 | — |
| Alpine v3.19 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.19 | openssl | 1.1.1a-r0 | — |
| Alpine v3.18 | nodejs | 10.14.0-r0 | — |
| Alpine v3.18 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.18 | openssl +1 | 1.1.1a-r0 | — |
| Alpine v3.17 | nodejs | 10.14.0-r0 | — |
| Alpine v3.17 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.17 | openssl +1 | 1.1.1a-r0 | — |
| Alpine v3.16 | nodejs | 10.14.0-r0 | — |
| Alpine v3.16 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.16 | openssl +1 | 1.1.1a-r0 | — |
| Alpine v3.15 | nodejs | 10.14.0-r0 | — |
| Alpine v3.15 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.15 | openssl +1 | 1.1.1a-r0 | — |
| Alpine v3.14 | nodejs | 10.14.0-r0 | — |
| Alpine v3.14 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.14 | openssl | 1.1.1a-r0 | — |
| Alpine v3.13 | nodejs | 10.14.0-r0 | — |
| Alpine v3.13 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.13 | openssl | 1.1.1a-r0 | — |
| Alpine v3.12 | nodejs | 10.14.0-r0 | — |
| Alpine v3.12 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.12 | openssl | 1.1.1a-r0 | — |
| Alpine v3.11 | nodejs | 10.14.0-r0 | — |
| Alpine v3.11 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.11 | openssl | 1.1.1a-r0 | — |
| Alpine v3.10 | nodejs | 10.14.0-r0 | — |
| Alpine v3.10 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.10 | openssl | 1.1.1a-r0 | — |
| Alpine v3.9 | nodejs | 10.14.0-r0 | — |
| Alpine v3.9 | nodejs-current | 11.3.0-r0 | — |
| Alpine v3.9 | openssl | 1.1.1a-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | openssl +3 | 1:1.1.1c-2.el8 | ELSA-2019-3700 |
Advisories 10
- RHSA-2019:3700 Red Hat Security Advisory: openssl security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2019:0483 Red Hat Security Advisory: openssl security and bug fix update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- USN-3840-1 openssl, openssl1.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4348-1 openssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1586-1 openssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:3945-1 Security update for openssl-1_1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3863-1 Security update for openssl-1_1 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11127-1 libopenssl-1_1-devel-1.1.1l-1.2 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- WID-SEC-2023-3084 OpenSSL: Schwachstelle ermöglicht die Offenlegung des privaten Schlüssels BSI CERT-Bund (WID) · Nov 25, 2024
- ELSA-2019-3700 Low: openssl security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 14, 2019
References
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=56fb454d281a023b3f950d969693553d3f3ceea1
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- 105750 vdb-entry
- USN-3840-1 vendor-advisory
- https://security.netapp.com/advisory/ntap-20181105-0002/
- https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/
- 1041986 vdb-entry
- [debian-lts-announce] 20181121 [SECURITY] [DLA 1586-1] openssl security update mailing-list
- DSA-4348 vendor-advisory
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4
- https://www.openssl.org/news/secadv/20181029.txt
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- RHSA-2019:3700 vendor-advisory
- https://www.oracle.com/security-alerts/cpujan2020.html