pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of…
Priority LOW 26CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted length value in an encrypted PDF file.
Why it matters now
EPSS 0.03502 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* | 11.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* | 13.04 | Vulnerable | Canonical |
| cpe:2.3:o:suse:linux_enterprise_server:11.0:sp1:*:*:*:*:*:* | 11.0 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:11.0:sp2:*:*:*:*:*:* | 11.0 sp2 | Vulnerable | SUSE |
| cpe:2.3:a:clamav:clamav:0.97.1:*:*:*:*:*:*:* | 0.97.1 | Vulnerable | ClamAV |
| cpe:2.3:a:clamav:clamav:0.97.2:*:*:*:*:*:*:* | 0.97.2 | Vulnerable | ClamAV |
| cpe:2.3:a:clamav:clamav:0.97.3:*:*:*:*:*:*:* | 0.97.3 | Vulnerable | ClamAV |
- cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* Versions 11.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* Versions 13.04 Vulnerable ·Canonical
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp1:*:*:*:*:*:* Versions 11.0 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:11.0:sp2:*:*:*:*:*:* Versions 11.0 sp2 Vulnerable ·SUSE
- cpe:2.3:a:clamav:clamav:0.97.1:*:*:*:*:*:*:* Versions 0.97.1 Vulnerable ·ClamAV
- cpe:2.3:a:clamav:clamav:0.97.2:*:*:*:*:*:*:* Versions 0.97.2 Vulnerable ·ClamAV
- cpe:2.3:a:clamav:clamav:0.97.3:*:*:*:*:*:*:* Versions 0.97.3 Vulnerable ·ClamAV
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:clamav:clamav:0.97.4:*:*:*:*:*:*:* | 0.97.4 | Vulnerable | ClamAV |
| cpe:2.3:a:clamav:clamav:0.97.5:*:*:*:*:*:*:* | 0.97.5 | Vulnerable | ClamAV |
| cpe:2.3:a:clamav:clamav:0.97.6:*:*:*:*:*:*:* | 0.97.6 | Vulnerable | ClamAV |
| cpe:2.3:a:clamav:clamav:0.97.7:*:*:*:*:*:*:* | 0.97.7 | Vulnerable | ClamAV |
- cpe:2.3:a:clamav:clamav:0.97.4:*:*:*:*:*:*:* Versions 0.97.4 Vulnerable ·ClamAV
- cpe:2.3:a:clamav:clamav:0.97.5:*:*:*:*:*:*:* Versions 0.97.5 Vulnerable ·ClamAV
- cpe:2.3:a:clamav:clamav:0.97.6:*:*:*:*:*:*:* Versions 0.97.6 Vulnerable ·ClamAV
- cpe:2.3:a:clamav:clamav:0.97.7:*:*:*:*:*:*:* Versions 0.97.7 Vulnerable ·ClamAV
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2021
- 2026-10-03 Alias added: GHSA-8rc2-m544-5vqh
References
Advisory 11
Other 7
- http://blog.clamav.net/2013/04/clamav-0978-has-been-released.html
- http://support.apple.com/kb/HT5892
- https://github.com/vrtadmin/clamav-devel/commit/24ff855c82d3f5c62bc5788a5776cefbffce2971
- [oss-security] 20130429 Re: Multiple potential security issues fixed in ClamAV 0.97.8 - any further details?
- [oss-security] 20130424 Re: Multiple potential security issues fixed in ClamAV 0.97.8 - any further details?
- https://bugzilla.clamav.net/show_bug.cgi?id=7053
- http://support.apple.com/kb/HT5880
Sources
- CVE-2013-2021 · CVE Program
- CVE-2013-2021 · NVD
- FIRST EPSS
- GHSA-8rc2-m544-5vqh · GitHub Advisory Database · CC BY 4.0
- CVE-2013-2021 · Red Hat security data · CC BY 4.0
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