CVE-2013-2021

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 87.7%
KEV: Not listed

Published

May 13, 2013

Last Modified

April 29, 2026

References (42)

secalert@redhathttp://blog.clamav.net/2013/04/clamav-0978-has-been-released.html
secalert@redhathttp://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
secalert@redhathttp://lists.apple.com/archives/security-announce/2013/Sep/msg00004.html
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2013-June/109514.html
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2013-June/109639.html
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2013-June/109652.html
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2013-May/105575.html
secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2014-12/msg00006.html
secalert@redhathttp://lists.opensuse.org/opensuse-updates/2013-06/msg00018.html
secalert@redhathttp://lists.opensuse.org/opensuse-updates/2013-06/msg00020.html
secalert@redhathttp://secunia.com/advisories/53150
secalert@redhathttp://secunia.com/advisories/53182
secalert@redhathttp://support.apple.com/kb/HT5880
secalert@redhathttp://support.apple.com/kb/HT5892
secalert@redhathttp://www.mandriva.com/security/advisories?name=MDVSA-2013:159

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	clamav (0.97.8+dfsg-1ubuntu1.10.04.1) @ lucid	2026-05-28	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

UbuntuUSN-1816-1MEDIUM
ClamAV vulnerabilities

Data Freshness Timeline

(refreshed 12× in last 7d / 50× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-24 14:02 UTCEPSS rescore
2026-06-24 14:02 UTCEPSS rescore
2026-06-23 21:30 UTCEPSS rescore
2026-06-22 14:22 UTCEPSS rescore
2026-06-22 14:22 UTCEPSS rescore
2026-06-21 14:53 UTCEPSS rescore
2026-06-21 01:57 UTCEPSS rescore
2026-06-21 01:56 UTCEPSS rescore
2026-06-19 19:23 UTCEPSS rescore
2026-06-19 19:22 UTCEPSS rescore
2026-06-18 17:49 UTCEPSS rescore
2026-06-18 17:49 UTCEPSS rescore
2026-06-17 17:49 UTCEPSS rescore
2026-06-17 17:49 UTCEPSS rescore
2026-06-16 19:35 UTCOSV refresh
2026-06-16 17:49 UTCEPSS rescore
2026-06-16 17:49 UTCEPSS rescore
2026-06-15 17:44 UTCEPSS rescore
2026-06-13 22:57 UTCEPSS rescore
2026-06-12 23:08 UTCEPSS rescore
2026-06-11 13:56 UTCEPSS rescore
2026-06-10 13:18 UTCEPSS rescore
2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore

Show 36 more

2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 23:57 UTCEG score recompute
2026-05-28 23:57 UTCVendor advisory
2026-05-28 23:57 UTCGHSA enrichment
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-26 07:16 UTCEPSS rescore
2026-05-26 07:16 UTCEPSS rescore
2026-05-24 16:43 UTCEPSS rescore
2026-05-21 22:39 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2013-2021?

CVE-2013-2021 is a none vulnerability published on May 13, 2013. 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.

When was CVE-2013-2021 disclosed?

CVE-2013-2021 was first published in the National Vulnerability Database on May 13, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2013-2021 actively exploited?

CVE-2013-2021 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2013-2021?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-2021, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2013-2021

Explore →

Is Your Infrastructure Affected by CVE-2013-2021?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2013-2021

Published

Last Modified

References (42)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2013-2021?

Same vendor

Same CWE

CVE-2013-2021

📅 Published

🔄 Last Modified

🔗 References (42)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2013-2021?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (42)

Frequently asked(4)

Related CVEs(same vendor + same CWE)