Unrated severityNVD Advisory· Published Jan 27, 2021· Updated Jun 9, 2025
CVE-2021-3326
CVE-2021-3326
Description
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
30- GNU C Library/GNU C Librarydescription
- osv-coords28 versionspkg:rpm/almalinux/glibc-benchtestspkg:rpm/almalinux/glibc-nss-develpkg:rpm/almalinux/glibc-staticpkg:rpm/almalinux/nss_hesiodpkg:rpm/opensuse/glibc&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/glibc&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/glibc-testsuite-src&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/glibc&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4%20LTSS%20EXTREME%20COREpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/glibc&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/glibc&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/glibc&distro=SUSE%20Manager%20Server%204.0
< 2.28-151.el8+ 27 more
- (no CPE)range: < 2.28-151.el8
- (no CPE)range: < 2.28-151.el8
- (no CPE)range: < 2.28-151.el8
- (no CPE)range: < 2.28-151.el8
- (no CPE)range: < 2.26-lp152.26.6.1
- (no CPE)range: < 2.34-1.2
- (no CPE)range: < 2.26-lp152.26.6.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.11.3-17.110.43.1
- (no CPE)range: < 2.22-126.1
- (no CPE)range: < 2.22-126.1
- (no CPE)range: < 2.22-114.5.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.22-114.5.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.22-114.5.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
- (no CPE)range: < 2.26-13.56.1
Patches
Vulnerability mechanics
References
8- security.gentoo.org/glsa/202107-07mitrevendor-advisory
- www.openwall.com/lists/oss-security/2021/01/28/2mitremailing-list
- lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlmitremailing-list
- security.netapp.com/advisory/ntap-20210304-0007/mitre
- sourceware.org/bugzilla/show_bug.cgimitre
- sourceware.org/git/mitre
- www.oracle.com/security-alerts/cpuapr2022.htmlmitre
- www.oracle.com/security-alerts/cpujan2022.htmlmitre
News mentions
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