CVE catalog
CVE-2025-62689
libmicrohttpd: CVE-2025-62689
- Severity
- High · CVSS 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.48% · Oct 25, 2026
NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libmicrohttpd | sid | 1.0.10-1 | vulnerable |
| Debian | libmicrohttpd | forky | 1.0.10-1 | vulnerable |
| Debian | libmicrohttpd | trixie | 1.0.1-4 | vulnerable |
| Debian | libmicrohttpd | bookworm | 0.9.75-6 | vulnerable |
| Cpe | libmicrohttpd | Not reported | 1.0.3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libmicrohttpd | source | sid | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libmicrohttpd | source | forky | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libmicrohttpd | source | trixie | (unfixed) | unimportant | Not reported | Not reported |
| Debian | libmicrohttpd | source | bookworm | (unfixed) | unimportant | Not reported | Not reported |
| Cpe | libmicrohttpd | cpe | Not reported | 1.0.3 | Not reported | NVD-CVE-2025-62689 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libmicrohttpd12]Affected
Source package: [libmicrohttpd]
Details (2)
0.9.75-6· amd64 · bookwormAffected
dsa · libmicrohttpd · debian · bookworm; dsa · libmicrohttpd · debian · 12
0.9.75-6· arm64 · bookwormAffected
dsa · libmicrohttpd · debian · bookworm; dsa · libmicrohttpd · debian · 12
- [libmicrohttpd-dev]Affected
Source package: [libmicrohttpd]
Details (2)
0.9.75-6· amd64 · bookwormAffected
dsa · libmicrohttpd · debian · bookworm; dsa · libmicrohttpd · debian · 12
0.9.75-6· arm64 · bookwormAffected
dsa · libmicrohttpd · debian · bookworm; dsa · libmicrohttpd · debian · 12
[Debian 13 (Trixie)]
- [libmicrohttpd12t64]Affected
Source package: [libmicrohttpd]
Details (2)
1.0.1-4· amd64 · trixieAffected
dsa · libmicrohttpd · debian · 13
1.0.1-4· arm64 · trixieAffected
dsa · libmicrohttpd · debian · 13
- [libmicrohttpd-dev]Affected
Source package: [libmicrohttpd]
Details (2)
1.0.1-4· amd64 · trixieAffected
dsa · libmicrohttpd · debian · 13
1.0.1-4· arm64 · trixieAffected
dsa · libmicrohttpd · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_21200-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2025-62689]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-62689]
- [https://security-tracker.debian.org/tracker/CVE-2025-62689]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-62689.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]