CVE-2022-42915
curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTP(S) URL, it sets up the connection to the remote server by issuing a CONNECT request to the
02 Description
curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTP(S) URL, it sets up the connection to the remote server by issuing a CONNECT request to the
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 3.65% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.5% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-10-14.
- 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
- 2022-10-29 00:00Z4 YR AGO
- Last updated
- 2026-10-14 18:26Z14 DAYS AGO
- Reserved
- 2022-10-13
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-415Double FreeVariant
- Data version
- 5.2
- Document digest
- 324b3fd777064892a5b178eaaeb09e8444f5e6513123fee12784e9fe147d3ba0
05 Affected products
06 References
- curl.sehttps://curl.se/docs/CVE-2022-42915.html
- lists.fedoraproject.orgFEDORA-2022-01ffde372chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HVU3IMZCKR4VE6KJ4GCWRL2ILLC6OV76/
- lists.fedoraproject.orgFEDORA-2022-39688a779dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q27V5YYMXUVI6PRZQVECON32XPVWTKDK/
- lists.fedoraproject.orgFEDORA-2022-e9d65906c4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/37YEVVC6NAF6H7UHH6YAUY5QEVY6LIH2/
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20221209-0010/
- security.gentoo.orgGLSA-202212-01https://security.gentoo.org/glsa/202212-01
- support.apple.comhttps://support.apple.com/kb/HT213604
- support.apple.comhttps://support.apple.com/kb/HT213605
- seclists.org20230123 APPLE-SA-2023-01-23-5 macOS Monterey 12.6.3http://seclists.org/fulldisclosure/2023/Jan/20
- seclists.org20230123 APPLE-SA-2023-01-23-4 macOS Ventura 13.2http://seclists.org/fulldisclosure/2023/Jan/19
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-892048.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-398330.html
07 Fixed in
Debian 12
- curl Fixed in 7.86.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- curl Fixed in 7.86.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- curl Fixed in 7.86.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- curl Fixed in 7.81.0-1ubuntu1.6
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.