Potential Use-after-free in DANE Client Code
CVE-2026-28387 is fixed in 18 products on 1 platform, first by libssl3t64 3.5.5-1ubuntu3, released April 6, 2026. It is not reported as exploited. Patch Radar priority: High.
This update for openssl-1_0_0 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441). - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL (bsc#1260442). - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo (bsc#1260443). - CVE-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc#1260444). - CVE-2026-31790: Incorrect failure handling in RSA KEM RSASVE encapsulation (bsc#1260445).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libssl1.1 · Ubuntu 18.04.6 LTS (bionic) | 1.1.1-1ubuntu2.1~18.04.23+esm8 | libssl1.1 1.1.1-1ubuntu2.1~18.04.23+esm8 | Apr 15, 2026 |
| libssl1.1 · Ubuntu 20.04 LTS (focal) | 1.1.1f-1ubuntu2.24+esm3 | libssl1.1 1.1.1f-1ubuntu2.24+esm3 | Apr 15, 2026 |
| libssl3 · Ubuntu 22.04.1 LTS (jammy) | 3.0.2-0ubuntu1.23 | libssl3 3.0.2-0ubuntu1.23 | Apr 15, 2026 |
| libssl3t64 · Ubuntu 24.04.5 LTS (noble) | 3.0.13-0ubuntu3.9 | libssl3t64 3.0.13-0ubuntu3.9 | Apr 15, 2026 |
| libssl3t64 · Ubuntu 25.10 (questing) | 3.5.3-1ubuntu3.3 | libssl3t64 3.5.3-1ubuntu3.3 | Apr 15, 2026 |
| libssl3t64 · Ubuntu 26.04.1 LTS (resolute) | 3.5.5-1ubuntu3 | libssl3t64 3.5.5-1ubuntu3 | Apr 6, 2026 |
| openssl · Debian 12.15 (bookworm) | 3.0.19-1~deb12u2 | DEBIAN-CVE-2026-28387 | Apr 7, 2026 |
| openssl · Debian 13.5 (trixie) | 3.5.5-1~deb13u2 | DEBIAN-CVE-2026-28387 | Apr 7, 2026 |
| openssl · Debian 14 | 3.6.2-1 | DEBIAN-CVE-2026-28387 | Apr 7, 2026 |
| openssl · Ubuntu 18.04.6 LTS (bionic) | 1.1.1-1ubuntu2.1~18.04.23+esm8 | openssl 1.1.1-1ubuntu2.1~18.04.23+esm8 | Apr 15, 2026 |
| openssl · Ubuntu 20.04 LTS (focal) | 1.1.1f-1ubuntu2.24+esm3 | openssl 1.1.1f-1ubuntu2.24+esm3 | Apr 15, 2026 |
| openssl · Ubuntu 22.04.1 LTS (jammy) | 3.0.2-0ubuntu1.23 | openssl 3.0.2-0ubuntu1.23 | Apr 15, 2026 |
| openssl · Ubuntu 24.04.5 LTS (noble) | 3.0.13-0ubuntu3.9 | openssl 3.0.13-0ubuntu3.9 | Apr 15, 2026 |
| openssl · Ubuntu 25.10 (questing) | 3.5.3-1ubuntu3.3 | openssl 3.5.3-1ubuntu3.3 | Apr 15, 2026 |
| openssl · Ubuntu 26.04.1 LTS (resolute) | 3.5.5-1ubuntu3 | openssl 3.5.5-1ubuntu3 | Apr 6, 2026 |
| openssl · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-1_0_0 · opensuse-leap 15.6 | 1.0.2p-150000.3.105.1 | SUSE-SU-2026:1291-1 | Apr 13, 2026 |
| openssl-1_0_0 · sles 15.6 | 1.0.2p-150000.3.105.1 | SUSE-SU-2026:1291-1 | Apr 13, 2026 |
| openssl-1_0_0 · sles 15.7 | 1.0.2p-150000.3.105.1 | SUSE-SU-2026:1291-1 | Apr 13, 2026 |
| openssl-1_1 · sles 15.6 | 1.1.1w-150600.5.26.2 | SUSE-SU-2026:1577-1 | Apr 23, 2026 |
| openssl-1_1 · sles 15.7 | 1.1.1w-150700.11.16.1 | SUSE-SU-2026:1386-1 | Apr 16, 2026 |
| openssl-3 · opensuse-leap 15.6 | 3.1.4-150600.5.45.1 | SUSE-SU-2026:1215-1 | Apr 8, 2026 |
| openssl-3 · opensuse-leap 16.0 | 3.5.0-160000.7.1 | OPENSUSE-SU-2026:20525-1 | Apr 13, 2026 |
| openssl-3 · sles 15.6 | 3.1.4-150600.5.45.1 | SUSE-SU-2026:1215-1 | Apr 8, 2026 |
| openssl-3 · sles 15.7 | 3.2.3-150700.5.31.1 | SUSE-SU-2026:1375-1 | Apr 15, 2026 |
| openssl-3 · sles 16.0 | 3.5.0-160000.7.1 | SUSE-SU-2026:21186-1 | Apr 13, 2026 |
| openssl-debuginfo · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-debugsource · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-devel · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-fips-provider-latest · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-fips-provider-latest-debuginfo · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-libs · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-libs-debuginfo · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-perl · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-provider-legacy · Ubuntu 25.10 (questing) | 3.5.3-1ubuntu3.3 | openssl-provider-legacy 3.5.3-1ubuntu3.3 | Apr 15, 2026 |
| openssl-provider-legacy · Ubuntu 26.04.1 LTS (resolute) | 3.5.5-1ubuntu3 | openssl-provider-legacy 3.5.5-1ubuntu3 | Apr 6, 2026 |
| openssl-snapsafe-libs · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
| openssl-snapsafe-libs-debuginfo · amzn 2023 | 1:3.5.5-1.amzn2023.0.4 | ALAS2023-2026-1586 | Apr 13, 2026 |
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