🛡️ CLSA-2026-1777999127 — libssl-dev

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Fix CVE(s): CVE-2026-28387, CVE-2026-28388, CVE-2026-28389, CVE-2026-28390 * SECURITY UPDATE: fix UAF/double-free in DANE client by using X509_free() for dane->mcert - debian/patches/CVE-2026-28387.patch: fix UAF/double-free in DANE client by using X509_free() for dane->mcert - CVE-2026-28387 * SECURITY UPDATE: NULL check delta->crl_number before ASN1_INTEGER_cmp() in check_delta_base() - debian/patches/CVE-2026-28388.patch: NULL check delta->crl_number before ASN1_INTEGER_cmp() in check_delta_base() - CVE-2026-28388 * SECURITY UPDATE: NULL check alg->parameter in [ec]dh_cms_set_shared_info() before deref - debian/patches/CVE-2026-28389.patch: NULL check alg->parameter in [ec]dh_cms_set_shared_info() before deref - CVE-2026-28389 * SECURITY UPDATE: NULL check plab->parameter in rsa_cms_decrypt() before deref - debian/patches/CVE-2026-28390.patch: NULL check plab->parameter in rsa_cms_decrypt() before deref - CVE-2026-28390

Affected software and timeline

Affected software: libssl-dev (fixed in 1.1.1n-0+deb10u6+tuxcare.els3), libssl-doc (fixed in 1.1.1n-0+deb10u6+tuxcare.els3), libssl1.1 (fixed in 1.1.1n-0+deb10u6+tuxcare.els3) and openssl (fixed in 1.1.1n-0+deb10u6+tuxcare.els3). Published on 5 May 2026 and last revised on 4 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

errata.tuxcare.com (Advisory)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-05-05
Updated 2026-08-12
Modified 2026-06-04
Fix URL N/A

Affected Packages

Software From version Fixed in
libssl-dev 1.1.1n-0+deb10u6+tuxcare.els3
libssl-doc 1.1.1n-0+deb10u6+tuxcare.els3
libssl1.1 1.1.1n-0+deb10u6+tuxcare.els3
openssl 1.1.1n-0+deb10u6+tuxcare.els3

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More CLSA 2026 advisories

Part of CLSA 2026 in the advisory index.