CVE-2023-45229: Out-of-Bounds Read in EDK II Network Package
Vulnerability summary
CVE-2023-45229 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in tianocore edk2. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 62% of scored vulnerabilities.
Not severe (CVSS 6.5, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 8Timeline
- 16-01-2024PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
Description
EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVDNIST6.5MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 0.94% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- edk2< 2022.11-6+deb12u1 | < 2023.11-6
Tianocore1 product
- edk2edk2-stable202308 | ≤ 202311
Ubuntu1 product
- edk2All versions (No fix recorded) | < 2022.02-3ubuntu0.22.04.2
3 vendors · 3 products
