CVE catalog
CVE-2026-31988
yauzl (aka Yet Another Unzip Library) version 3.2.0 for Node.js contains an off-by-one error in the NTFS extended timestamp extra field parser within the getLastModDate() function. The while loop cond
- Severity
- Medium · CVSS 6.9
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.50% · Oct 25, 2026
yauzl (aka Yet Another Unzip Library) version 3.2.0 for Node.js contains an off-by-one error in the NTFS extended timestamp extra field parser within the getLastModDate() function. The while loop condition checks cursor < data.length + 4 instead of cursor + 4 <= data.length, allowing readUInt16LE() to read past the buffer boundary. A remote attacker can cause a denial of service (process crash via ERR_OUT_OF_RANGE exception) by sending a crafted zip file with a malformed NTFS extra field. This affects any Node.js application that processes zip file uploads and calls entry.getLastModDate() on parsed entries. Fixed in version 3.2.1.
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 | node-yauzl | sid | 3.4.0-1 | not affected |
| Debian | node-yauzl | forky | 3.4.0-1 | not affected |
| Debian | node-yauzl | trixie | 2.10.0-4 | not affected |
| Debian | node-yauzl | bookworm | 2.10.0-4 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | node-yauzl | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | node-yauzl | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | node-yauzl | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | node-yauzl | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [node-yauzl]Not affected
Details (2)
2.10.0-4· all · bookwormNot affected
nvd · node-yauzl · debian · bookworm
2.10.0-4· all · bookwormNot affected
nvd · node-yauzl · debian · bookworm
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-31988]
- [https://security-tracker.debian.org/tracker/CVE-2026-31988]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31988.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1220.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]