High severity8.8NVD Advisory· Published Jun 2, 2023· Updated Jun 17, 2026
CVE-2023-25732
CVE-2023-25732
Description
When encoding data from an inputStream in xpcom the size of the input being encoded was not correctly calculated potentially leading to an out of bounds memory write. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
41cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <110.0
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*range: <102.8
- (no CPE)range: <110
- (no CPE)range: unspecified
- (no CPE)range: unspecified
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <102.8
- (no CPE)range: <102.8
- (no CPE)range: unspecified
- osv-coords33 versionspkg:rpm/almalinux/firefoxpkg:rpm/almalinux/firefox-x11pkg:rpm/almalinux/thunderbirdpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&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%20Real%20Time%2015%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg: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%20SP4pkg: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/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4
< 102.8.0-2.el8_7.alma+ 32 more
- (no CPE)range: < 102.8.0-2.el8_7.alma
- (no CPE)range: < 102.8.0-2.el9_1.alma
- (no CPE)range: < 102.8.0-2.el8_7.alma
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 110.0.1-1.1
- (no CPE)range: < 102.8.0-150200.8.105.2
- (no CPE)range: < 102.8.0-1.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150000.150.76.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-150000.150.76.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-150000.150.76.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-150200.152.78.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-112.150.1
- (no CPE)range: < 102.8.0-150200.8.105.2
- (no CPE)range: < 102.8.0-150200.8.105.2
Patches
Vulnerability mechanics
References
4- www.mozilla.org/security/advisories/mfsa2023-05/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-06/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2023-07/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required
News mentions
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