SUSE-SU-2026:1273-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20261273-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:1273-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2026:1273-1
Upstream
CVE (3)
  • CVE-2026-5731
  • CVE-2026-5732
  • CVE-2026-5734
Related
CVE (3)
  • CVE-2026-5731
  • CVE-2026-5732
  • CVE-2026-5734
Published
2026-04-11T19:04:46Z
Modified
2026-04-14T18:26:10Z
Summary
Security update for MozillaFirefox
Details

This update for MozillaFirefox fixes the following issues:

  • Update to 149.0.2 and 140.9.1esr (bsc#1261663).
  • CVE-2026-5731: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2.
  • CVE-2026-5732: Incorrect boundary conditions, integer overflow in the Graphics: Text component.
  • CVE-2026-5734: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2.
References

Affected packages

SUSE:Linux Enterprise Server 12 SP5-LTSS / MozillaFirefox

Package

Name
MozillaFirefox
Purl
pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
140.9.1-112.307.1

Ecosystem specific 

{
    "binaries":  [
        {
            "MozillaFirefox":  "140.9.1-112.307.1",
            "MozillaFirefox-devel":  "140.9.1-112.307.1",
            "MozillaFirefox-translations-common":  "140.9.1-112.307.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:1273-1.json"

SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 / MozillaFirefox

Package

Name
MozillaFirefox
Purl
pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
140.9.1-112.307.1

Ecosystem specific 

{
    "binaries":  [
        {
            "MozillaFirefox":  "140.9.1-112.307.1",
            "MozillaFirefox-devel":  "140.9.1-112.307.1",
            "MozillaFirefox-translations-common":  "140.9.1-112.307.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:1273-1.json"