CVE-2007-2846

NONECVSS 0.0

0.0

Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an "integer cast around."

CVSS v3: —
EG Score: 0.0(none)
EPSS: 93.8%
KEV: Not listed

Published

May 24, 2007

Last Modified

April 23, 2026

References (18)

cve@mitrehttp://marc.info/?l=full-disclosure&m=118007660813710&w=2
cve@mitrehttp://osvdb.org/36522
cve@mitrehttp://www.avast.com/eng/adnm-management-client-revision-history.html
cve@mitrehttp://www.kb.cert.org/vuls/id/125868
cve@mitrehttp://www.nruns.com/advisories/%5Bn.runs-SA-2007.009%5D%20-%20Avast%21%20Antivirus%20SIS%20parsing%20Arbitrary%20Code%20Execution%20Advisory.txt
cve@mitrehttp://www.securityfocus.com/archive/1/469585/100/0/threaded
cve@mitrehttp://www.securityfocus.com/bid/24155
cve@mitrehttp://www.vupen.com/english/advisories/2007/1935
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/34501
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=full-disclosure&m=118007660813710&w=2
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/36522
af854a3a-2127-422b-91ae-364da2661108http://www.avast.com/eng/adnm-management-client-revision-history.html
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/125868
af854a3a-2127-422b-91ae-364da2661108http://www.nruns.com/advisories/%5Bn.runs-SA-2007.009%5D%20-%20Avast%21%20Antivirus%20SIS%20parsing%20Arbitrary%20Code%20Execution%20Advisory.txt
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/469585/100/0/threaded

Weakness Classification(1)

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

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 5× in last 7d / 39× 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.

2026-06-15 17:44 UTCEPSS rescore
2026-06-13 22:57 UTCEPSS rescore
2026-06-12 23:08 UTCEPSS rescore
2026-06-10 22:14 UTCEPSS rescore
2026-06-10 13:17 UTCEPSS rescore
2026-06-08 14:13 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-04 13:09 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
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 02:34 UTCEG score recompute
2026-05-31 02:34 UTCGHSA enrichment
2026-05-29 13:40 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Show 14 more

2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-24 16:42 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-21 22:38 UTCEPSS rescore
2026-05-20 22:36 UTCEPSS rescore
2026-05-20 22:36 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2007-2846?

CVE-2007-2846 is a none vulnerability published on May 24, 2007. Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an "integer cast around."

When was CVE-2007-2846 disclosed?

CVE-2007-2846 was first published in the National Vulnerability Database on May 24, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2007-2846 actively exploited?

CVE-2007-2846 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2007-2846?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-2846, 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.

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CVE-2007-2846

📅 Published

🔄 Last Modified

🔗 References (18)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2007-2846?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (18)

Frequently asked(4)

Related CVEs(same CWE)