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Emerging threatsCritical

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
ProductAffected versionsFixed in
InterbaseBorland Softwareli_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-v5.1.1.680n/a

Timeline

  1. Publicly disclosed

    Oct 6, 2007

  2. Last updated

    Apr 22, 2026

Weakness Type

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

15 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2007-5243 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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