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 |
lunar |
Not vulnerable
(2.9.14+dfsg-1.1)
|
| upstream |
Released
(2.10.3)
|
|
| 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)
|
|
| trusty |
Released
(2.9.1+dfsg1-3ubuntu4.13+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| xenial |
Released
(2.9.3+dfsg1-1ubuntu0.7+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
|
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 |