Stack-based buffer overflow in the AskJeevesToolBar.SettingsPlugin.1 ActiveX control in askBar.dll in IAC Search & Media ask.com Ask Toolbar 4.0.2.53 and earlier allows remote attackers to execute arbitrary code via a long ShortFormat property value. NOTE: some of these details are obtained from third party information. NOTE: the researcher claims that this is the same as CVE-2007-5108, but there is insufficient detail for CVE-2007-5108 to be certain.
CVE-2007-5107
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 9.3 — v2 rates that HIGH (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:C/I:C/A:C. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 35.9% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- Public exploit code is available (Metasploit, Exploit-DB (verified), epss top5pct, public exploit)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v2.0 (legacy)
- 9.3HIGHNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 9.3(low)
- EG Risk
- 72(Track)EG Risk 72/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity93% × 45%Exploitation65% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 36%
- EPSS %ILE
- 98%
- KEV
- Not listed
Published
September 26, 2007
Last Modified
April 23, 2026
References (14)
- cve@mitrehttp://secunia.com/advisories/26960
- cve@mitrehttp://www.foxitsoftware.com/pdf/reader/security.htm
- cve@mitrehttp://www.securityfocus.com/archive/1/480459/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/25785
- cve@mitrehttp://www.vupen.com/english/advisories/2007/3265
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/36757
- cve@mitrehttps://www.exploit-db.com/exploits/4452
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/26960
- af854a3a-2127-422b-91ae-364da2661108http://www.foxitsoftware.com/pdf/reader/security.htm
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/480459/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/25785
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/3265
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/36757
- af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/4452
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 0× in last 7d / 5× 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.
- 2026-08-07 16:20 UTCEPSS rescore
- 2026-08-05 19:11 UTCEPSS rescore
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- 2026-07-26 13:33 UTCEG score recompute▲ 9.30
- 2026-07-25 14:12 UTCEPSS rescore
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- 2026-07-23 00:54 UTCEG score recompute
- 2026-07-23 00:33 UTCEG score recompute▼ 1.00
- 2026-07-22 23:59 UTCEG score recompute▲ 1.00
- 2026-07-22 21:38 UTCEG score recompute
- 2026-07-22 14:03 UTCEPSS rescore
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- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:47 UTCEG score recompute
- 2026-05-31 00:47 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(3 references)Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-16557✓ verifiedFirst seen May 9, 2010
Ask.com Toolbar - 'askBar.dll' ActiveX Control Buffer Overflow (Metasploit)
Open source ↗ - Exploit-DBEDB-4452✓ verifiedFirst seen Sep 24, 2007
Ask.com/AskJeeves Toolbar Toolbar 4.0.2.53 - ActiveX Remote Buffer Overflow
Open source ↗ - Metasploitexploit/windows/browser/ask_shortformat✓ verifiedFirst seen Sep 24, 2007
Ask.com Toolbar askBar.dll ActiveX Control Buffer Overflow
Open source ↗
Frequently asked(4)
What is CVE-2007-5107?
When was CVE-2007-5107 disclosed?
Is CVE-2007-5107 actively exploited?
How do I remediate CVE-2007-5107?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2007-5107
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