CVE-2025-30232: exim Use After Free
CVSS: 8.1v3.1HighAnalyzed
AliasesUBUNTU-CVE-2025-30232USN-7373-1DEBIAN-CVE-2025-30232DSA-5887-1
Published 27-03-2025Last modified 28-03-2025
Vulnerability summary
CVE-2025-30232 is a high (CVSS 8.1) Use After Free vulnerability in exim. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.2% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 27-03-2025PublishedVulnerability first disclosed.
- 28-03-2025Last modifiedVulnerability information updated.
Description
A use-after-free in Exim 4.96 through 4.98.1 could allow users (with command-line access) to escalate privileges.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HSources4 sources · 7.8–8.1
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 19-09-2026
19-09-202619-10-2026
EPSS score0.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- exim4< 4.98.1-2 | < 4.96-15+deb12u7
Exim1 product
- exim≥ 4.96, < 4.98.2 | ≥ 4.96, ≤ 4.98.1
Ubuntu1 product
- exim4< 4.97-4ubuntu4.3
3 vendors · 3 products
References
7 links- www.exim.org/static/doc/security/CVE-2025-30232.txtVendor Advisory
