CVE-2007-5243Interbase Memory Corruption
Multiple stack-based buffer overflows in Borland InterBase LI 8.0.0.53 through 8.1.0.253, and WI 5.1.1.680 through 8.1.0.257, allow remote attackers to execute arbitrary code via (1) a long service attach request on TCP port 3050 to the (a) SVC_attach or (b) INET_connect…
Published Oct 6, 2007 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2007-5243 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Interbase (Borland Software).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 40% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
40%
Higher than 98.6% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
56/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
21
Proof-of-concept links
In-the-wild evidence
4
Reports of active use
Description
Multiple stack-based buffer overflows in Borland InterBase LI 8.0.0.53 through 8.1.0.253, and WI 5.1.1.680 through 8.1.0.257, allow remote attackers to execute arbitrary code via (1) a long service attach request on TCP port 3050 to the (a) SVC_attach or (b) INET_connect function, (2) a long create request on TCP port 3050 to the (c) isc_create_database or (d) jrd8_create_database function, (3) a long attach request on TCP port 3050 to the (e) isc_attach_database or (f) PWD_db_aliased function, or unspecified vectors involving the (4) jrd8_attach_database or (5) expand_filename2 function.
Affected Products
17 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| InterbaseBorland Software | li_8.0.0.253, li_8.0.0.53, li_8.0.0.54, wi_5.1.1.680, wi_8.1.0.257, wi-o6.0.1.6, wi-o6.0.2.0, wi-v5.1.1.680 | n/a |
Timeline
Publicly disclosed
Oct 6, 2007
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- exploitrisesecurity.org · 14
- exploitrisesecurity.org · 15
- exploitrisesecurity.org · 9
- exploitMSF ib_inet_connect.rb
- exploitMSF ib_jrd8_create_database.rb
FAQ
Common Questions.
Multiple stack-based buffer overflows in Borland InterBase LI 8.0.0.53 through 8.1.0.253, and WI 5.1.1.680 through 8.1.0.257, allow remote attackers to execute arbitrary code via (1) a long service attach request on TCP port 3050 to the (a) SVC_attach or (b) INET_connect function, (2) a long create request on TCP port…
Affected: Interbase (Borland Software) versions li_8.0.0.253, li_8.0.0.53, li_8.0.0.54, wi_5.1.1.680, wi_8.1.0.257, wi-o6.0.1.6, wi-o6.0.2.0, wi-v5.1.1.680. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2007-5243 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo