Catalogo CVE
CVE-2026-42767
Issue summary: An attacker-controlled CMP (Certificate Management Protocol) server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference cau
- Gravità
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.56% · Oct 22, 2026
Issue summary: An attacker-controlled CMP (Certificate Management Protocol) server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server (or acting as a man-in-the-middle) could craft a CMP response containing a CRMF (Certificate Request Message Format) CertRepMessage with an EncryptedValue structure where the symmAlg field has an algorithm OID but no parameters field. When the OpenSSL CMP client processes this response, the NULL dereference occurs, causing a crash of the CMP client. Applications that process untrusted CMP/CRMF messages may be affected. The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this issue, as the affected code is outside the OpenSSL FIPS module boundary.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | openssl | sid | 3.6.5-1 | fixed |
| Debian | openssl | forky | 3.6.5-1 | fixed |
| Debian | openssl | trixie | 3.5.7-1~deb13u2 | fixed |
| Debian | openssl | trixie-security | 3.5.7-1~deb13u3 | fixed |
| Debian | openssl | bookworm | 3.0.20-1~deb12u2 | vulnerable |
| Debian | openssl | bookworm-security | 3.0.22-1~deb12u1 | fixed |
| Cpe | openssl | Not reported | 3.0.13-0ubuntu3.11 | fixed |
| Cpe | libssl-dev | Not reported | 3.0.13-0ubuntu3.11 | fixed |
| Cpe | libssl-doc | Not reported | 3.0.13-0ubuntu3.11 | fixed |
| Cpe | libssl3t64 | Not reported | 3.0.13-0ubuntu3.11 | fixed |
| Cpe | openssl | Not reported | Not reported | vulnerable |
| Cpe | openssl | Not reported | 3.0.21 | fixed |
| Cpe | openssl | Not reported | 3.4.6 | fixed |
| Cpe | openssl | Not reported | 3.5.7 | fixed |
| Cpe | openssl | Not reported | 3.6.3 | fixed |
| Cpe | openssl | Not reported | Not reported | unknown |
| Alpine | openssl | 3.22 | 3.5.7-r0 | fixed |
| Alpine | openssl | 3.23 | 3.5.7-r0 | fixed |
| Alpine | openssl | 3.24 | 3.5.7-r0 | fixed |
| Suse | openssl-3 | linux enterprise server 15 sp6-ltss | 3.1.4-150600.5.56.1 | fixed |
| Suse | openssl-3 | linux enterprise server for sap applications 15 sp6 | 3.1.4-150600.5.56.1 | fixed |
| Suse | openssl-3 | linux micro 6.1 | 3.1.4-slfo.1.1_11.1 | fixed |
| Suse | openssl-3 | linux micro 6.0 | 3.1.4-15.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | openssl | source | sid | 3.6.3-1 | not yet assigned | Not reported | [1139674] |
| Debian | openssl | source | forky | 3.6.3-1 | not yet assigned | Not reported | [1139674] |
| Debian | openssl | source | trixie | 3.5.6-1~deb13u2 | not yet assigned | Not reported | [1139674] |
| Debian | openssl | source | bookworm | 3.0.22-1~deb12u1 | not yet assigned | Not reported | [1139674] |
| Cpe | openssl | cpe | Not reported | 3.0.13-0ubuntu3.11 | Not reported | Not reported | Not reported |
| Cpe | libssl-dev | cpe | Not reported | 3.0.13-0ubuntu3.11 | Not reported | Not reported | Not reported |
| Cpe | libssl-doc | cpe | Not reported | 3.0.13-0ubuntu3.11 | Not reported | Not reported | Not reported |
| Cpe | libssl3t64 | cpe | Not reported | 3.0.13-0ubuntu3.11 | Not reported | Not reported | Not reported |
| Cpe | openssl | cpe | Not reported | 3.0.21 | Not reported | Not reported | Not reported |
| Cpe | openssl | cpe | Not reported | 3.4.6 | Not reported | Not reported | Not reported |
| Cpe | openssl | cpe | Not reported | 3.5.7 | Not reported | Not reported | Not reported |
| Cpe | openssl | cpe | Not reported | 3.6.3 | Not reported | Not reported | Not reported |
| Alpine | openssl | apk | 3.22 | 3.5.7-r0 | Not reported | ALPINE-CVE-2026-42767 | Not reported |
| Alpine | openssl | apk | 3.23 | 3.5.7-r0 | Not reported | ALPINE-CVE-2026-42767 | Not reported |
| Alpine | openssl | apk | 3.24 | 3.5.7-r0 | Not reported | ALPINE-CVE-2026-42767 | Not reported |
| Suse | openssl-3 | rpm | linux enterprise server 15 sp6-ltss | 3.1.4-150600.5.56.1 | Not reported | SUSE-SU-2026:3004-1 | Not reported |
| Suse | openssl-3 | rpm | linux enterprise server for sap applications 15 sp6 | 3.1.4-150600.5.56.1 | Not reported | SUSE-SU-2026:3004-1 | Not reported |
| Suse | openssl-3 | rpm | linux micro 6.1 | 3.1.4-slfo.1.1_11.1 | Not reported | SUSE-SU-2026:22449-1 | Not reported |
| Suse | openssl-3 | rpm | linux micro 6.0 | 3.1.4-15.1 | Not reported | SUSE-SU-2026:22437-1 | Not reported |
OpenFactory catalog packages
L’associazione dei pacchetti è in corso.
[Debian 12 (Bookworm)]
- [libssl3]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.0.20-1~deb12u2· amd64 · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· arm64 · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· amd64 · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· arm64 · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· amd64 · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· arm64 · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
- [libssl-dev]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.0.20-1~deb12u2· amd64 · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· arm64 · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· amd64 · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· arm64 · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· amd64 · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· arm64 · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
- [libssl-doc]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.0.20-1~deb12u2· all · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· all · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· all · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· all · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· all · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· all · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
- [openssl]Sconosciuto
Dettagli (6)
3.0.20-1~deb12u2· amd64 · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· arm64 · bookwormInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· amd64 · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.20-1~deb12u2· arm64 · bookworm-securityInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· amd64 · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
3.0.17-1~deb12u2· arm64 · bookworm-updatesInteressata · Corretta:
3.0.22-1~deb12u1nvd · openssl · debian · bookworm; nvd · openssl · debian · 12
[Debian 13 (Trixie)]
- [libssl3t64]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.5.6-1~deb13u2· amd64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· arm64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· arm64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u3· amd64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
- [libssl-dev]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.5.6-1~deb13u2· amd64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· arm64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· arm64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u3· amd64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
- [libssl-doc]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.5.6-1~deb13u2· all · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· all · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· all · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· all · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· all · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u3· all · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
- [openssl]Sconosciuto
Dettagli (6)
3.5.6-1~deb13u2· amd64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· arm64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· arm64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u3· amd64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
- [openssl-provider-fips]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.5.6-1~deb13u2· amd64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· arm64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· arm64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u3· amd64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
- [openssl-provider-legacy]Sconosciuto
Pacchetto sorgente: [openssl]
Dettagli (6)
3.5.6-1~deb13u2· amd64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· arm64 · trixieCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.6-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· amd64 · trixie-security · Historical versionCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u2· arm64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
3.5.7-1~deb13u3· amd64 · trixie-securityCorretta · Corretta:
3.5.6-1~deb13u2nvd · openssl · debian · 13
Osservato:
Riferimenti
- [https://access.redhat.com/errata/RHSA-2026:34102]
- [https://ftp.suse.com/pub/projects/security/]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-42767]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-42767]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-42767]
- [https://osv.dev/vulnerability/SUSE-SU-2026:22437-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:22449-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:3004-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-42767]
- [https://ubuntu.com/security/notices/USN-8414-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2455.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]