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CVE-2021-3630
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may…
Medium5.5EPSS 1.0%
- Published
- Updated
- Reserved
- Assigned by
- fedora
Description
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28.
Timeline
ID reserved
By fedora
- 1 day later
· 1 day later
Published
- 3 years later
· 3 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 | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.0% · top 37% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
djvulibre
- affected DjVuLibre 3.5.28
References (7)
- https://bugzilla.redhat.com/show_bug.cgi?id=1977427 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20210703 [SECURITY] [DLA 2702-1] djvulibre security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2021-fd6f2727c8 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-7514c11a37 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-d19172badb (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-6422a16aed (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- DSA-5032 (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)
- 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://trackcve.app/cve/CVE-2021-3630)Record last updated .