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.
CVE-2025-62689
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2025-11-10. a secondary CVSS source baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 34.5%
- KEV
- Not listed
Published
November 10, 2025
Last Modified
June 17, 2026
References (3)
- vultures@jpcerthttps://git.gnunet.org/libmicrohttpd.git/commit/?id=ff13abc1c1d7d2b30d69d5c0bd4a237e1801c50b
- vultures@jpcerthttps://jvn.jp/en/jp/JVN76719218/
- vultures@jpcerthttps://www.gnu.org/software/libmicrohttpd/
Vendor Advisories for CVE-2025-62689(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-24 14:17 UTCEPSS rescore
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- 2026-07-06 16:27 UTCEPSS rescore
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- 2026-05-29 19:36 UTCEG score recompute
- 2026-05-29 19:36 UTCVendor advisory
- 2026-05-29 19:36 UTCGHSA enrichment
- 2026-05-29 13:44 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownmsrc
- CVE-2006-10003EG 9.8CRITICAL
- CVE-2015-20107NVD 7.6EG 9.8EPSS 94%HIGH
- CVE-2013-7381EG 9.8CRITICAL
- CVE-2014-0048EG 9.8EPSS 93%CRITICAL
- CVE-2007-4559EG 9.8EPSS 98%CRITICAL
- CVE-2013-3900NVD 5.5EG 9.0 KEVEPSS 99%MEDIUM
- CVE-2013-2094NVD 8.4EG 9.0 KEVEPSS 99%HIGH
- CVE-2014-9356EG 8.6EPSS 91%HIGH
- CVE-2014-5282EG 8.1HIGH
- CVE-2014-8141EG 7.8EPSS 94%HIGH
Same CWE
10 shownCWE-122
Frequently asked(5)
What is CVE-2025-62689?
When was CVE-2025-62689 disclosed?
Is CVE-2025-62689 actively exploited?
What is the CVSS score of CVE-2025-62689?
How do I remediate CVE-2025-62689?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-62689
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