VulnerabilityModified
CVE-2017-9050
libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c.
HIGH 7.5EPSS 4.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.63% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-122
- Affected
- xmlsoft/libxml2
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2017/dsa-3952
- http://www.openwall.com/lists/oss-security/2017/05/15/1Exploit, Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/98568Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201711-01
- http://www.debian.org/security/2017/dsa-3952
- http://www.openwall.com/lists/oss-security/2017/05/15/1Exploit, Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/98568Third Party Advisory, VDB Entry
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://security.gentoo.org/glsa/201711-01
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.