Use-of-uninitialized-value in exif
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 4.3%
exploitation probability
4.3%top 10% of all CVEs
observed exploitation
nono source reports it
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected products
PHP Group · PHPReferences
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.htmlhttps://bugs.php.net/bug.php?id=79282https://lists.debian.org/debian-lts-announce/2020/04/msg00021.htmlhttps://security.netapp.com/advisory/ntap-20200403-0001/https://usn.ubuntu.com/4330-1/https://usn.ubuntu.com/4330-2/https://www.debian.org/security/2020/dsa-4717https://www.debian.org/security/2020/dsa-4719https://www.oracle.com/security-alerts/cpujan2021.htmlhttps://www.tenable.com/security/tns-2021-14