HOMEVULNERABILITIESCVE-2005-0989
MEDIUMPOC

CVE-2005-0989

NVD-CWE-noinfoPublished: May 2, 2005· Updated: Jun 16, 2026

5.0
CVSS v3.1

Official Description

The find_replen function in jsstr.c in the Javascript engine for Mozilla Suite 1.7.6, Firefox 1.0.1 and 1.0.2, and Netscape 7.2 allows remote attackers to read portions of heap memory in a Javascript string via the lambda replace method.

NVD Source

Technical Analysis

CVE-2005-0989 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2005-0989. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected Vendors & Products

Mozilla2 product(s)
firefoxmozilla
netscape1 product(s)
navigator
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://secunia.com/advisories/14820
PATCHhttp://secunia.com/advisories/14821
PATCHhttp://www.gentoo.org/security/en/glsa/glsa-200504-18.xml
PATCHhttp://www.redhat.com/support/errata/RHSA-2005-383.html
PATCHhttp://www.redhat.com/support/errata/RHSA-2005-386.html
PATCHhttp://secunia.com/advisories/14820
PATCHhttp://secunia.com/advisories/14821
PATCHhttp://www.gentoo.org/security/en/glsa/glsa-200504-18.xml
PATCHhttp://www.redhat.com/support/errata/RHSA-2005-383.html
PATCHhttp://www.redhat.com/support/errata/RHSA-2005-386.html
ADVISORYhttp://secunia.com/advisories/19823
ADVISORYhttp://www.mozilla.org/security/announce/mfsa2005-33.html
ADVISORYhttp://secunia.com/advisories/19823
ADVISORYhttp://www.mozilla.org/security/announce/mfsa2005-33.html

All References (36)

→
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
→
http://secunia.com/advisories/14820Exploit · Patch · Vendor Advisory
→
http://secunia.com/advisories/14821Patch · Vendor Advisory
→
http://secunia.com/advisories/19823Vendor Advisory
→
http://securitytracker.com/id?1013635Exploit
→
http://securitytracker.com/id?1013643Exploit
→
http://www.gentoo.org/security/en/glsa/glsa-200504-18.xmlPatch · Vendor Advisory
→
http://www.mozilla.org/security/announce/mfsa2005-33.htmlVendor Advisory
→
http://www.novell.com/linux/security/advisories/2006_04_25.html
→
http://www.redhat.com/support/errata/RHSA-2005-383.htmlPatch · Vendor Advisory
→
http://www.redhat.com/support/errata/RHSA-2005-384.html
→
http://www.redhat.com/support/errata/RHSA-2005-386.htmlPatch · Vendor Advisory
→
http://www.redhat.com/support/errata/RHSA-2005-601.html
→
http://www.securityfocus.com/bid/12988
→
http://www.securityfocus.com/bid/15495

Quick Facts

CVE IDCVE-2005-0989
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
ExploitPOC
Affected2 vendor(s)
PublishedMay 2, 2005

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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2005-0989 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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