High severity7.5NVD Advisory· Published Sep 11, 2023· Updated Jun 17, 2026
CVE-2023-4583
CVE-2023-4583
Description
When checking if the Browsing Context had been discarded in HttpBaseChannel, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
37<117+ 2 more
- (no CPE)range: <117
- (no CPE)range: unspecified
- (no CPE)range: unspecified
<115.2+ 1 more
- (no CPE)range: <115.2
- (no CPE)range: unspecified
- osv-coords32 versionspkg:apk/chainguard/firefox-esrpkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP5pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5
< 117.0-r0+ 31 more
- (no CPE)range: < 117.0-r0
- (no CPE)range: < 102.15.0-1.el8_8.alma
- (no CPE)range: < 102.15.0-1.el9_2.alma
- (no CPE)range: < 102.15.0-1.el8_8.alma
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 117.0-1.1
- (no CPE)range: < 115.2.2-150200.8.130.1
- (no CPE)range: < 115.2.2-150200.8.130.1
- (no CPE)range: < 115.2.0-1.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150000.150.100.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-112.176.1
- (no CPE)range: < 115.2.0-150000.150.100.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-112.176.1
- (no CPE)range: < 115.2.0-150000.150.100.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-150200.152.102.1
- (no CPE)range: < 115.2.0-112.176.1
- (no CPE)range: < 115.2.2-150200.8.130.1
- (no CPE)range: < 115.2.2-150200.8.130.1
- (no CPE)range: < 115.2.2-150200.8.130.1
- (no CPE)range: < 115.2.2-150200.8.130.1
Patches
Vulnerability mechanics
References
4- www.mozilla.org/security/advisories/mfsa2023-34/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-36/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-38/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue Tracking
News mentions
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