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CVE-2017-7502
Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of…
High7.5EPSS 4.3%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.
Timeline
ID reserved
By redhat
- 55 days later
· 55 days later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.3% · top 8.8% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected since 3.24.0
References (9)
- RHSA-2017:1365 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1038579 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 98744 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2017:1712 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://hg.mozilla.org/projects/nss/rev/55ea60effd0d (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:1364 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1567 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-3872 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-16519 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-7502)Record last updated .