CVE-2022-40304
Published: 23 November 2022
An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
Priority
Status
Package | Release | Status |
---|---|---|
libxml2 Launchpad, Ubuntu, Debian |
bionic |
Released
(2.9.4+dfsg1-6.1ubuntu1.8)
|
focal |
Released
(2.9.10+dfsg-5ubuntu0.20.04.5)
|
|
jammy |
Released
(2.9.13+dfsg-1ubuntu0.2)
|
|
kinetic |
Released
(2.9.14+dfsg-1ubuntu0.1)
|
|
lunar |
Not vulnerable
(2.9.14+dfsg-1.1)
|
|
trusty |
Released
(2.9.1+dfsg1-3ubuntu4.13+esm4)
|
|
upstream |
Released
(2.10.3)
|
|
xenial |
Released
(2.9.3+dfsg1-1ubuntu0.7+esm4)
|
|
Patches: upstream: https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |