CVE-2015-4487
The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory
02 Description
The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.19% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-08-16 01:00Z11 YR AGO
- Last updated
- 2024-08-06 06:18Z2 YR AGO
- Reserved
- 2015-06-10
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 73494901e7240cf5d923cad112b34df1237c3491ec4bddb07ed8b7048d661c24
05 Affected products
06 References
- www.debian.orgDSA-3410http://www.debian.org/security/2015/dsa-3410
- lists.opensuse.orgSUSE-SU-2015:2081http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- www.ubuntu.comUSN-2712-1http://www.ubuntu.com/usn/USN-2712-1
- lists.opensuse.orgopenSUSE-SU-2015:1454http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html
- www.ubuntu.comUSN-2702-3http://www.ubuntu.com/usn/USN-2702-3
- rhn.redhat.comRHSA-2015:1682http://rhn.redhat.com/errata/RHSA-2015-1682.html
- lists.opensuse.orgopenSUSE-SU-2015:1389http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html
- lists.opensuse.orgopenSUSE-SU-2015:1453http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html
- rhn.redhat.comRHSA-2015:1586http://rhn.redhat.com/errata/RHSA-2015-1586.html
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- lists.opensuse.orgSUSE-SU-2015:1528http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
- www.securitytracker.com1033247http://www.securitytracker.com/id/1033247
- www.ubuntu.comUSN-2702-2http://www.ubuntu.com/usn/USN-2702-2
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1171603
- www.ubuntu.comUSN-2702-1http://www.ubuntu.com/usn/USN-2702-1
- security.gentoo.orgGLSA-201605-06https://security.gentoo.org/glsa/201605-06
- www.securitytracker.com1033372http://www.securitytracker.com/id/1033372
- lists.opensuse.orgSUSE-SU-2015:1449http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
- www.debian.orgDSA-3333http://www.debian.org/security/2015/dsa-3333
- www.mozilla.orghttp://www.mozilla.org/security/announce/2015/mfsa2015-90.html
- lists.opensuse.orgopenSUSE-SU-2015:1390http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html
07 Fixed in
Ubuntu 14.04 LTS
- firefox Fixed in 40.0+build4-0ubuntu0.14.04.1
- thunderbird Fixed in 1:38.2.0+build1-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.