CVE-2018-19935
ext/imap/php_imap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty string in the message argument to
02 Description
ext/imap/php_imap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty string in the message argument to
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
- 6.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.4% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. 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
- 2018-12-07 09:00Z7 YR AGO
- Last updated
- 2024-08-05 11:51Z2 YR AGO
- Reserved
- 2018-12-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 5548915897145753a070ab39e1424cfac70900204a285c31de4df8214f9182a6
05 Affected products
06 References
- www.debian.orgDSA-4353https://www.debian.org/security/2018/dsa-4353
- bugs.php.nethttps://bugs.php.net/bug.php?id=77020
- www.securityfocus.com106143http://www.securityfocus.com/bid/106143
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20181221-0003/
- lists.debian.org[debian-lts-announce] 20181217 [SECURITY] [DLA 1608-1] php5 security updatehttps://lists.debian.org/debian-lts-announce/2018/12/msg00006.html
- lists.opensuse.orgopenSUSE-SU-2019:1572http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
- lists.opensuse.orgopenSUSE-SU-2019:1573http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
07 Fixed in
Ubuntu 14.04 LTS
- php-imap Fixed in 5.4.6-0ubuntu5.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- php7.0 Fixed in 7.0.33-0ubuntu0.16.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- php7.2 Fixed in 7.2.15-0ubuntu0.18.04.1
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.