CVE-2026-56132
CVE-2026-56132
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.
CVSS 6.9 · Medium · EPSS 0.1% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
libexpat
- Versions
- ≥ 0, < 2.8.2: Affected (semver)
Update to 2.8.2
expat Debian:12
- Versions
- 2.5.0-1
- 2.5.0-1+deb12u1
- 2.5.0-1+deb12u2
- 2.5.0-1+deb12u3
- 2.5.0-1+deb12u4
- Affected ranges
- ECOSYSTEM: < 2.5.0-1+deb12u5
Update to 2.5.0-1+deb12u5
expat Debian:13
- Versions
- 2.7.1-2
- 2.7.2-1
- 2.7.3-1
- 2.7.3-2
- 2.7.4-1
- 2.7.5-1
- 2.8.0-1
- 2.8.0-2
- 2.8.1-1
- Affected ranges
- ECOSYSTEM: < 2.8.2-1~deb13u1
Update to 2.8.2-1~deb13u1
expat Debian:14
- Versions
- 2.7.1-2
- 2.7.2-1
- 2.7.3-1
- 2.7.3-2
- 2.7.4-1
- 2.7.5-1
- 2.8.0-1
- 2.8.0-2
- 2.8.1-1
- 2.8.2-1~deb13u1
- Affected ranges
- ECOSYSTEM: < 2.8.2-1
Update to 2.8.2-1
coin3 Ubuntu:Pro:14.04:LTS
- Versions
- 3.1.4~abc9f50-3
- 3.1.4~abc9f50-4
- 3.1.4~abc9f50-4ubuntu2
- 3.1.4~abc9f50-4ubuntu2+esm1
- 3.1.4~abc9f50-4ubuntu2+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
expat Ubuntu:Pro:14.04:LTS
- Versions
- 2.1.0-4
- 2.1.0-4ubuntu1
- 2.1.0-4ubuntu1.1
- 2.1.0-4ubuntu1.2
- 2.1.0-4ubuntu1.3
- 2.1.0-4ubuntu1.4
- 2.1.0-4ubuntu1.4+esm1
- 2.1.0-4ubuntu1.4+esm2
- 2.1.0-4ubuntu1.4+esm4
- 2.1.0-4ubuntu1.4+esm6
- 2.1.0-4ubuntu1.4+esm7
- 2.1.0-4ubuntu1.4+esm8
- 2.1.0-4ubuntu1.4+esm9
- 2.1.0-4ubuntu1.4+esm10
- 2.1.0-4ubuntu1.4+esm11
- 2.1.0-4ubuntu1.4+esm12
- Affected ranges
- ECOSYSTEM: < 2.1.0-4ubuntu1.4+esm13
Update to 2.1.0-4ubuntu1.4+esm13
vnc4 Ubuntu:Pro:14.04:LTS
- Versions
- 4.1.1+xorg4.3.0-37ubuntu5
- 4.1.1+xorg4.3.0-37ubuntu5.0.1
- 4.1.1+xorg4.3.0-37ubuntu5.0.2
- 4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
vtk Ubuntu:Pro:14.04:LTS
- Versions
- 5.8.0-14ubuntu1
- 5.8.0-14ubuntu3
- 5.8.0-14.1ubuntu2
- 5.8.0-14.1ubuntu3
- 5.8.0-14.1ubuntu3+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
xmlrpc-c Ubuntu:Pro:14.04:LTS
- Versions
- 1.16.33-3.2ubuntu3
- 1.33.06-0ubuntu1
- 1.33.06-0ubuntu1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
expat Ubuntu:Pro:16.04:LTS
- Versions
- 2.1.0-7
- 2.1.0-7ubuntu0.16.04.1
- 2.1.0-7ubuntu0.16.04.2
- 2.1.0-7ubuntu0.16.04.3
- 2.1.0-7ubuntu0.16.04.4
- 2.1.0-7ubuntu0.16.04.5
- 2.1.0-7ubuntu0.16.04.5+esm2
- 2.1.0-7ubuntu0.16.04.5+esm5
- 2.1.0-7ubuntu0.16.04.5+esm6
- 2.1.0-7ubuntu0.16.04.5+esm7
- 2.1.0-7ubuntu0.16.04.5+esm8
- 2.1.0-7ubuntu0.16.04.5+esm9
- 2.1.0-7ubuntu0.16.04.5+esm10
- 2.1.0-7ubuntu0.16.04.5+esm11
- 2.1.0-7ubuntu0.16.04.5+esm12
- 2.1.0-7ubuntu0.16.04.5+esm13
- Affected ranges
- ECOSYSTEM: < 2.1.0-7ubuntu0.16.04.5+esm14
Update to 2.1.0-7ubuntu0.16.04.5+esm14
ayttm Ubuntu:Pro:16.04:LTS
- Versions
- 0.6.3-3build1
- 0.6.3-3ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
cableswig Ubuntu:Pro:16.04:LTS
- Versions
- 0.1.0+git20150808-1
- 0.1.0+git20150808-2
- 0.1.0+git20150808-2ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
cadaver Ubuntu:16.04:LTS
- Versions
- 0.23.3-2ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
coin3 Ubuntu:Pro:16.04:LTS
- Versions
- 3.1.4~abc9f50+dfsg1-1
- 3.1.4~abc9f50+dfsg1-1ubuntu0.1~esm1
- 3.1.4~abc9f50+dfsg1-1ubuntu0.1~esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
gdcm Ubuntu:16.04:LTS
- Versions
- 2.4.4-4
- 2.4.4-4build1
- 2.4.4-4ubuntu1
- 2.6.1-3
- 2.6.2-1
- 2.6.2-2
- 2.6.2-3
- 2.6.3-1
- 2.6.3-1ubuntu1
- 2.6.3-2ubuntu1
- 2.6.3-3ubuntu1
- 2.6.3-3ubuntu3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
insighttoolkit4 Ubuntu:16.04:LTS
- Versions
- 4.8.1-1ubuntu3
- 4.8.1-1ubuntu4
- 4.8.2-3.1ubuntu1
- 4.9.0-3ubuntu2
- 4.9.0-4ubuntu1
- 4.9.0-4ubuntu1.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
matanza Ubuntu:16.04:LTS
- Versions
- 0.13+ds1-5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
smart Ubuntu:16.04:LTS
- Versions
- 1.4-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
swish-e Ubuntu:Pro:16.04:LTS
- Versions
- 2.4.7-4
- 2.4.7-4build1
- 2.4.7-4ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
tdom Ubuntu:16.04:LTS
- Versions
- 0.8.3-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
vnc4 Ubuntu:Pro:16.04:LTS
- Versions
- 4.1.1+xorg4.3.0-37.3ubuntu2
- 4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
vtk Ubuntu:Pro:16.04:LTS
- Versions
- 5.10.1+dfsg-2
- 5.10.1+dfsg-2build3
- 5.10.1+dfsg-2.1build1
- 5.10.1+dfsg-2.1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
wbxml2 Ubuntu:16.04:LTS
- Versions
- 0.10.7-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
xmlrpc-c Ubuntu:Pro:16.04:LTS
- Versions
- 1.33.14-0.2ubuntu3
- 1.33.14-1ubuntu1
- 1.33.14-1ubuntu1+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published