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openSUSE Python-Cryptography Important Arbitrary Code Execution 2026-3026-1

opensuse
Calendar Grey July 15, 2026
Dist Opensuse Esm H88
Eight vulnerabilities fixed in python-cryptography update for openSUSE, including buffer overflow and code execution risks.
An update that solves eight vulnerabilities can now be installed.

Description

This update for python-cryptography fixes the following issues

* CVE-2026-41676: openssl: `Deriver:derive` and `PkeyCtxRef:derive` can

overflow short buffers on OpenSSL 1.1.1 (bsc#1270208).

* CVE-2026-41677: openssl: out-of-bounds read in PEM password callback when

returning an oversized length in rust- openssl crate (bsc#1270620).

* CVE-2026-41678: openssl: incorrect bounds assertion in aes key wrap in rust-

openssl crate (bsc#1270706).

* CVE-2026-41681: openssl: MdCtxRef::digest_final() writes past caller buffer

with no length check in rust-openssl crate (bsc#1270772).

* CVE-2026-41898: openssl: unchecked callback-returned length in PSK and

cookie generate trampolines can leak adjacent memory in rust-openssl crate

(bsc#1270801).

* CVE-2026-42327: openssl: arbitrary code execution via specially crafted

certificate in rust-openssl crate (bsc#1270515).

* CVE-2026-44662: openssl: heap buffer overflow when encrypting with AES key-

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow code execution important OpenSUSE python-cryptography

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* Python 3 Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-3026=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3026=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3026=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-3026=1

Package List

* Python 3 Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* python311-cryptography-41.0.3-150600.23.9.1

* openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)

* python311-cryptography-41.0.3-150600.23.9.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)

* python311-cryptography-41.0.3-150600.23.9.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)

* python311-cryptography-41.0.3-150600.23.9.1

References

* bsc#1270208

* bsc#1270515

* bsc#1270620

* bsc#1270706

* bsc#1270772

* bsc#1270801

* bsc#1270936

* bsc#1270994

## References:

* https://www.suse.com/security/cve/CVE-2026-41676.html

* https://www.suse.com/security/cve/CVE-2026-41677.html

* https://www.suse.com/security/cve/CVE-2026-41678.html

* https://www.suse.com/security/cve/CVE-2026-41681.html

* https://www.suse.com/security/cve/CVE-2026-41898.html

* https://www.suse.com/security/cve/CVE-2026-42327.html

* https://www.suse.com/security/cve/CVE-2026-44662.html

* https://www.suse.com/security/cve/CVE-2026-45784.html

* https://bugzilla.suse.com/show_bug.cgi?id=1270208

* https://bugzilla.suse.com/show_bug.cgi?id=1270515

* https://bugzilla.suse.com/show_bug.cgi?id=1270620

* https://bugzilla.suse.com/show_bug.cgi?id=1270706

* https://bugzilla.suse.com/show_bug.cgi?id=1270772

* https://bugzilla.suse.com/show_bug.cgi?id=1270801

* https://bugzilla.suse.com/show_bug.cgi?id=1270936

* https://bugzilla.suse.com/show_bug.cgi?id=1270994

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3026-1
Release Date: 2026-07-15T09:49:44Z
Affected Products: * openSUSE Leap 15.6 * Python 3 Module 15-SP7 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory buffer overflow code execution important OpenSUSE python-cryptography

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