Buffer overflow in Gnupg
CVE-2022-3219
GnuPG can be made to spin on a relatively small input by (for example) crafting a public key with thousands of signatures attached, compressed down to just a few KB.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (19.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Gnupg
- Gnupg — versions gnupg2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- dev.gnupg.org/D556 (Patch)
- marc.info/ (Patch, Mailing List)
- access.redhat.com/security/cve/CVE-2022-3219 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- dev.gnupg.org/T5993 (Patch)
- security.netapp.com/advisory/ntap-20230324-0001/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3219?
- CVE-2022-3219 is a low-severity vulnerability in Gnupg, classified under Out-of-bounds Write. CVSS score: 3.3/10. Published 2023-02-23.
- How severe is CVE-2022-3219?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2022-3219 known to be exploited?
- 20 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.