In DjVuLibre 3.5.27, DjVmDir.cpp in the DJVU reader component allows attackers to cause a denial-of-service (application crash in GStringRep
In DjVuLibre 3.5.27, DjVmDir.cpp in the DJVU reader component allows attackers to cause a denial-of-service (application crash in GStringRep::strdup in libdjvu/GString.cpp caused by a heap-based buffer over-read) by crafting a DJVU file.
- Published
- Aug 18, 2019
- Updated
- Jun 16, 2026
- EPSS
- 1.9% · 79th percentile
- CWE
- CWE-125
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 1.9%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| djvulibre project | djvulibre | cpe:2.3:a:djvulibre_project:djvulibre |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| fedoraproject | fedora | cpe:2.3:o:fedoraproject:fedora |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- canonical ubuntu linux16.04
- canonical ubuntu linux18.04
- canonical ubuntu linux19.04
- canonical ubuntu linux19.10
- debian debian linux10.0
- debian debian linux11.0
- debian debian linux8.0
- debian debian linux9.0
- djvulibre project djvulibre3.5.27
- fedoraproject fedora29
- fedoraproject fedora30
- fedoraproject fedora31
- opensuse leap15.0
- opensuse leap15.1
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:10 | djvulibre | before 3.5.27.1-10+deb10u1 | 3.5.27.1-10+deb10u1 |
| Debian:12 | djvulibre | before 3.5.27.1-11 | 3.5.27.1-11 |
| Debian:8 | djvulibre | before 3.5.25.4-4+deb8u1 | 3.5.25.4-4+deb8u1 |
| Debian:9 | djvulibre | before 3.5.27.1-7+deb9u1 | 3.5.27.1-7+deb9u1 |
| openSUSE:Leap 15.0 | djvulibre | before 3.5.27-lp150.2.3.1 | 3.5.27-lp150.2.3.1 |
| openSUSE:Leap 15.1 | djvulibre | before 3.5.27-lp151.3.3.1 | 3.5.27-lp151.3.3.1 |
| openSUSE:Tumbleweed | djvulibre | before 3.5.28-3.2 | 3.5.28-3.2 |
| SUSE:Linux Enterprise Desktop 12 SP4 | djvulibre | before 3.5.25.3-5.3.1 | 3.5.25.3-5.3.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 | djvulibre | before 3.5.27-3.3.1 | 3.5.27-3.3.1 |
Same product
djvulibre project: all recordsOther highest-scoring records for the same primary product.
- CVE-2012-6535DjVuLibre before 3.5.25.3, as used in Evince, Sumatra PDF Reader, VuDroid, and other products, allows remote attackers to execute arbitrary 38Monitor
- CVE-2021-3500A flaw was found in djvulibre-3.5.28 and earlier.31Monitor
- CVE-2021-32493A flaw was found in djvulibre-3.5.28 and earlier.31Monitor
- CVE-2021-32492A flaw was found in djvulibre-3.5.28 and earlier.31Monitor
- CVE-2021-32491A flaw was found in djvulibre-3.5.28 and earlier.31Monitor
- CVE-2021-32490A flaw was found in djvulibre-3.5.28 and earlier.31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:djvulibre | 3.5.27.1-11 · Debian:12 | Package registry (OSV) |
| opensuse:djvulibre | 3.5.27-lp150.2.3.1 · openSUSE:Leap 15.0 | Package registry (OSV) |
| suse:djvulibre | 3.5.25.3-5.3.1 · SUSE:Linux Enterprise Desktop 12 SP4 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-125 · Out-of-bounds ReadCVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00086.html
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00087.html
- lists.debian.org/debian-lts-announce/2019/08/msg00036.html
- lists.debian.org/debian-lts-announce/2021/05/msg00022.html
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPMG3VY33XGMIKE6QDYIUVS6A7GNTHTK/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JO65AWU7LEWNF6DDCZPRFTR2ZPP5XK6L/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7F7544WASYMOTFDR2WUEOQLN3ZEXNU4/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUEME45HVGTMDOYODAZYQOGWSZ2CEFWZ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RYZTGKWY3NAKMIMTFYGN4ZO5XEQWPYRL/
- security.gentoo.org/glsa/202007-36
- sourceforge.net/p/djvu/djvulibre-git/ci/970fb11a296b5bbdc5e8425851253d2c5913c45e/
- usn.ubuntu.com/4198-1/
- www.debian.org/security/2021/dsa-5032
Vendor advisories and official records. Exploit/PoC links are deliberately left out.