Medium severity6.5NVD Advisory· Published Apr 15, 2021· Updated Jun 17, 2026

CVE-2021-31229

Description

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

ezXML/ezXMLdescription
ezXML/ezXMLllm-fuzzy
Range: =0.8.6
osv-coords57 versions
pkg:rpm/opensuse/netcdf_4_6_1-gnu-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_6_1-gnu-mpich-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_6_1-gnu-mvapich2-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_6_1-gnu-openmpi1-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_6_1-gnu-openmpi2-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_3-gnu-hpc&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/netcdf_4_7_3-gnu-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_3-gnu-mpich-hpc&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/netcdf_4_7_3-gnu-mpich-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_3-gnu-mvapich2-hpc&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/netcdf_4_7_3-gnu-mvapich2-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_3-gnu-openmpi2-hpc&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/netcdf_4_7_3-gnu-openmpi2-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_3-gnu-openmpi3-hpc&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/netcdf_4_7_3-gnu-openmpi3-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_4-gnu-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_4-gnu-mpich-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_4-gnu-mvapich2-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_4-gnu-openmpi2-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_4-gnu-openmpi3-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf_4_7_4-gnu-openmpi4-hpc&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf-openmpi2&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf-openmpi3&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf-openmpi4&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/netcdf-openmpi&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/netcdf_4_6_1-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/netcdf_4_6_1-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/netcdf_4_6_1-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/netcdf_4_6_1-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/netcdf_4_6_1-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/netcdf_4_6_1-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/netcdf_4_6_1-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/netcdf_4_6_1-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/netcdf_4_6_1-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/netcdf_4_7_3-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP2 pkg:rpm/suse/netcdf_4_7_3-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP2 pkg:rpm/suse/netcdf_4_7_3-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP2 pkg:rpm/suse/netcdf_4_7_3-gnu-openmpi2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP2 pkg:rpm/suse/netcdf_4_7_3-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP2 pkg:rpm/suse/netcdf_4_7_4-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-mpich-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-mvapich2-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-openmpi3-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-openmpi4-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20HPC%2015%20SP3 pkg:rpm/suse/netcdf_4_7_4-gnu-openmpi4-hpc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3
< 4.6.1-10.7.2+ 56 more
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.7.3-lp152.2.6.1
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-lp152.2.6.1
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-lp152.2.6.1
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-lp152.2.6.1
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-lp152.2.6.1
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-10.7.2
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.6.1-5.7.1
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.3-3.7.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2
- (no CPE)range: < 4.7.4-4.3.2

Patches

Vulnerability mechanics

References

sourceforge.net/p/ezxml/bugs/26/nvdExploitIssue TrackingPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2021/07/msg00005.htmlnvdThird Party Advisory

News mentions

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cvss	0.423
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000