CVE-2019-19959 — ext/misc/zipfile

ext/misc/zipfile.c in SQLite 3.30.1 mishandles certain uses of INSERT INTO in situations involving embedded '\0' characters in filenames, leading to a memory-management error that can be detected by (for example) valgrind.

01What is this vulnerability?

ext/misc/zipfile.c in SQLite 3.30.1 mishandles certain uses of INSERT INTO in situations involving embedded '\0' characters in filenames, leading to a memory-management error that can be detected by (for example) valgrind.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-01-03T22:15:12.550
• Last modified: 2026-10-14T08:17:00.590

09References

• github.com — https://github.com/sqlite/sqlite/commit/1e490c4ca6b43a9cf8637d695907888349f69bec
• github.com — https://github.com/sqlite/sqlite/commit/d8f2d46cbc9925e034a68aaaf60aad788d9373c1
• security.netapp.com — https://security.netapp.com/advisory/ntap-20200204-0001/
• usn.ubuntu.com — https://usn.ubuntu.com/4298-1/
• www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html
• github.com — https://github.com/sqlite/sqlite/commit/1e490c4ca6b43a9cf8637d695907888349f69bec
• github.com — https://github.com/sqlite/sqlite/commit/d8f2d46cbc9925e034a68aaaf60aad788d9373c1
• security.netapp.com — https://security.netapp.com/advisory/ntap-20200204-0001/
• usn.ubuntu.com — https://usn.ubuntu.com/4298-1/
• www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html