NULL pointer dereference in Lxml
CVE-2022-2309
NULL Pointer Dereference allows attackers to cause a denial of service (or application crash). This only applies when lxml is used together with libxml2 2.9.10 through 2.9.14. libxml2 2.9.9 and earlier are not affected. It allows triggerin…
EPSS: 0.025 (82.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Lxml
- Lxml Lxml/lxml — versions unspecified
- Xmlsoft Libxml2
- Fedoraproject Fedora — versions 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory, Issue Tracking)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
- security@huntr.dev (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@huntr.dev (x_refsource_CONFIRM, Third Party Advisory)
- security@huntr.dev (x_refsource_FEDORA, vendor-advisory)
- security@huntr.dev (x_refsource_FEDORA, vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-2309?
- CVE-2022-2309 is a high-severity vulnerability in Lxml, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2022-07-05.
- How severe is CVE-2022-2309?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-2309 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.