openSUSE mozjs78 Important NULL Pointer Denial of Service Vuln 2026-1956-1
suse
May 18, 2026
An update that solves three vulnerabilities can now be installed.
Summary
## This update for mozjs78 fixes the following issues * CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value (bsc#1259728). * CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing (bsc#1259713). * CVE-2026-32778: libexpat: NULL pointer dereference in `setContext` on retry after an out-of-memory condition (bsc#1259731). ## 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: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-1956=1 * SUSE Package Hub 15 15-SP7 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-1956=1
Topics Covered
References
* bsc#1259713
* bsc#1259728
* bsc#1259731
Cross-
* CVE-2026-32776
* CVE-2026-32777
* CVE-2026-32778
CVSS scores:
* CVE-2026-32776 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-32776 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-32776 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-32776 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-32777 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-32777 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-32777 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-32777 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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Severity
important
Lowest
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Medium
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Critical
Announcement ID: SUSE-SU-2026:1956-1
Release Date: 2026-05-18T07:57:21Z
Rating: important
Topics Covered
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