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SUSE libsolv Important Buffer Overflow & Security Fixes 2026-2531-1

suse
Calendar Grey June 23, 2026
Dist Suse Esm H88
SUSE's libsolv, libzypp, zypper update addresses 14 security fixes and seven vulnerabilities urgently.
An update that solves seven vulnerabilities, contains three features and has 14 security fixes can now be installed.

Summary

## This update for libsolv, libzypp, zypper fixes the following issues * CVE-2026-9149: Heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file (bsc#1265935). * CVE-2026-9150: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512 checksums (bsc#1265938). * CVE-2026-25707: Handcrafted repo metadata may cause arbitrary local files to be overwritten (bsc#1259802). * CVE-2026-44933: scan of the Mandatory signature verification plugin support (bsc#1265223). * CVE-2026-44941: path traversal via "keyhint" (bsc#1267426). * CVE-2026-44942: .repo files can have an optional path which can lead to path traversal attacks (bsc#1267874). * CVE-2026-48863: Fix buffer overflow when parsing EdDSA signature (bsc#1266039).

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important path traversal local files

References

* bsc#1158038

* bsc#1239718

* bsc#1246504

* bsc#1247948

* bsc#1249435

* bsc#1252744

* bsc#1253193

* bsc#1253740

* bsc#1257068

* bsc#1257882

* bsc#1258193

* bsc#1259311

* bsc#1259706

* bsc#1259802

* bsc#1259842

* bsc#1265223

* bsc#1265935

* bsc#1265938

* bsc#1266039

* bsc#1267426

* bsc#1267874

* jsc#PED-13680

* jsc#PED-14658

* jsc#PED-15607

Cross-

* CVE-2026-25707

* CVE-2026-44933

* CVE-2026-44941

* CVE-2026-44942

* CVE-2026-48863

* CVE-2026-9149

* CVE-2026-9150

CVSS scores:

* CVE-2026-25707 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

* CVE-2026-44933 ( SUSE ): 8.5

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-44933 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-44933 ( NVD ): 8.5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2531-1
Release Date: 2026-06-23T10:25:42Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important path traversal local files

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