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Slackware 15.0 OpenSSL Noteworthy Memory Overflow Issue SSA-2026-037-01

slackware
Calendar Grey February 6, 2026
Dist Slackware Esm H88
New openssl packages for Slackware 15.0 fix crucial security issues and enhance system integrity and performance.
New openssl packages are available for Slackware 15.0 to fix security issues.

Summary

Here are the details from the Slackware 15.0 ChangeLog: patches/packages/openssl-1.1.1ze-i586-1_slack15.0.txz: Upgraded. Apply patch to fix the following security issues: Fixed Heap out-of-bounds write in BIO_f_linebuffer on short writes. Fixed Unauthenticated/unencrypted trailing bytes with low-level OCB function calls. Fixed Out of bounds write in PKCS12_get_friendlyname() UTF-8 conversion. Fixed Missing ASN1_TYPE validation in TS_RESP_verify_response() function. Fixed NULL Pointer Dereference in PKCS12_item_decrypt_d2i_ex() function. Fixed Missing ASN1_TYPE validation in PKCS#12 parsing. Fixed ASN1_TYPE Type Confusion in the PKCS7_digest_from_attributes() function. These CVEs were fixed by the 1.1.1ze release that is only available to subscribers to OpenSSL's premium extended support. The patch was prepared by backporting from the OpenSSL-3.0 repo. Thanks to Ken Zalewski for the patch! For more information, see:

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow OpenSSL important slackware heap overflow

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (http://osuosl.org) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you.
Updated packages for Slackware 15.0: ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/openssl-1.1.1ze-i586-1_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/openssl-solibs-1.1.1ze-i586-1_slack15.0.txz
Updated packages for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/openssl-1.1.1ze-x86_64-1_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/openssl-solibs-1.1.1ze-x86_64-1_slack15.0.txz

MD5 Signatures

Slackware 15.0 packages: 9eb3161d34b27ddf1bd837eb6740a65d openssl-1.1.1ze-i586-1_slack15.0.txz 0230bf924143eff3cb415e57d11e633c openssl-solibs-1.1.1ze-i586-1_slack15.0.txz
Slackware x86_64 15.0 packages: 42a66f3f102331fd4cfc5cce34d848de openssl-1.1.1ze-x86_64-1_slack15.0.txz e462b1853f80f063a922e558d6074561 openssl-solibs-1.1.1ze-x86_64-1_slack15.0.txz

Severity
important
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory buffer overflow OpenSSL important slackware heap overflow

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Installation Instructions

Installation instructions: Upgrade the packages as root: # upgradepkg openssl-1.1.1ze-i586-1_slack15.0.txz openssl-solibs-1.1.1ze-i586-1_slack15.0.txz