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SUSE-SU-2021:0999-1 Not scored

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: - Firefox was updated to 78.9.0 ESR (MFSA 2021-11, bsc#1183942) * CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Malicious extensions could have spoofed popup information * CVE-2021-23987: Memory safety bugs

Exploit probability Not scored
Published March 31, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:HPE Helion OpenStack 8 MozillaFirefox
SUSE:Linux Enterprise Server 12 SP2-BCL MozillaFirefox
SUSE:Linux Enterprise Server 12 SP2-LTSS MozillaFirefox
SUSE:Linux Enterprise Server 12 SP3-BCL MozillaFirefox
SUSE:Linux Enterprise Server 12 SP3-LTSS MozillaFirefox
SUSE:Linux Enterprise Server 12 SP4-LTSS MozillaFirefox
SUSE:Linux Enterprise Server 12 SP5 MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP2 MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP3 MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP4 MozillaFirefox
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 MozillaFirefox
SUSE:Linux Enterprise Software Development Kit 12 SP5 MozillaFirefox
SUSE:OpenStack Cloud 7 MozillaFirefox
SUSE:OpenStack Cloud 8 MozillaFirefox
SUSE:OpenStack Cloud 9 MozillaFirefox
SUSE:OpenStack Cloud Crowbar 8 MozillaFirefox
SUSE:OpenStack Cloud Crowbar 9 MozillaFirefox

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:0999-1

This update for MozillaFirefox fixes the following issues: - Firefox was updated to 78.9.0 ESR (MFSA 2021-11, bsc#1183942) * CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read * CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage * CVE-2021-23984: Malicious extensions could have spoofed popup information * CVE-2021-23987: Memory safety bugs

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05 / REFERENCES

Further evidence