7.5
CWE
770 20
Advisory Published
CVE Published
Updated

CVE-2023-38039: curl: HTTP headers eat all memory

First published: Wed Sep 13 2023(Updated: )

Accessibility. A privacy issue was addressed with improved private data redaction for log entries.

Credit: CVE-2023-38545 CVE-2023-38039 CVE-2023-38546 support@hackerone.com CVE-2023-42915 Noah Roskin-Frazee Pr Ivan Fratric Google Project Zero Trend Micro Zero Day InitiativeMichael DePlante @izobashi Trend Micro Zero Day InitiativeMickey Jin @patch1t an anonymous researcher Marc Newlin SkySafeKoh M. Nakagawa @tsunek0h Yann GASCUEL Alter SolutionsAnthony Cruz Tyrant Corp @App Wojciech Regula SecuRingZhenjiang Zhao Pangu TeamQianxin Junsung Lee Meysam Firouzi @R00tkitSMM Pan ZhenPeng @Peterpan0927 STAR Labs SG PteEloi Benoist-Vanderbeken @elvanderb SynacktivCVE-2023-42893 CVE-2023-3618 CVE-2020-19185 CVE-2020-19186 CVE-2020-19187 CVE-2020-19188 CVE-2020-19189 CVE-2020-19190 Ron Masas BreakPointCsaba Fitzl @theevilbit OffSecCsaba Fitzl @theevilbit Offensive SecurityArsenii Kostromin (0x3c3e) Mattie Behrens Joshua Jewett @JoshJewett33 Zhongquan Li @Guluisacat Zhongquan Li @Guluisacat Dawn Security Lab of JingDongCVE-2023-5344 Pwn2car Zoom Offensive Security Team Nan Wang @eternalsakura13 360 Vulnerability Research Instituterushikesh nandedkar SungKwon Lee (Demon.Team) Kirin @Pwnrin Don Clarke

Affected SoftwareAffected VersionHow to fix
Microsoft Windows 11=21H2
Microsoft Windows 11=22H2
Microsoft Windows 11=21H2
Microsoft Windows Server 2019
Microsoft Windows 11=23H2
Microsoft Windows 11=22H2
Microsoft Windows Server 2019
Microsoft Windows 11=23H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10=21H2
Microsoft Windows 10=22H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=21H2
Microsoft Windows 11=22H2
Microsoft Windows Server 2022
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=21H2
Microsoft Windows 11=21H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1809
Microsoft Windows 11=23H2
Microsoft Windows Server 2022
Microsoft Windows 11=23H2
redhat/libcurl<8.3.0
8.3.0
Apple macOS Monterey<12.7.3
12.7.3
ubuntu/curl<7.88.1-8ubuntu2.2
7.88.1-8ubuntu2.2
ubuntu/curl<8.2.1-1ubuntu3
8.2.1-1ubuntu3
ubuntu/curl<8.2.1-1ubuntu3
8.2.1-1ubuntu3
debian/curl
7.64.0-4+deb10u2
7.64.0-4+deb10u9
7.74.0-1.3+deb11u11
7.88.1-10+deb12u5
8.7.1-5
Apple macOS<14.2
14.2
Apple macOS<13.6.4
13.6.4
Microsoft CBL-Mariner
Microsoft CBL-Mariner
Apple iOS, iPadOS, and watchOS<16.7.5
16.7.5
Apple iOS, iPadOS, and watchOS<16.7.5
16.7.5
Curl>=7.84.0<8.3.0
Fedora=37
Fedora=38
Fedora=39
Microsoft Windows 10 1809<10.0.17763.5122
Microsoft Windows 10 21h2<10.0.19044.3693
Microsoft Windows 10 22h2<10.0.19045.3693
Microsoft Windows 11 21h2<10.0.22000.2600
Microsoft Windows 11 22h2<10.0.22621.2715
Microsoft Windows 11 23h2<10.0.22631.2715
Microsoft Windows Server 2019<10.0.17763.5122
Microsoft Windows Server 2022<10.0.20348.2113
IBM QRadar WinCollect<=10.0-10.1.7

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-38039?

    CVE-2023-38039 is a vulnerability in the curl library where HTTP headers can consume all memory.

  • How does CVE-2023-38039 affect curl?

    CVE-2023-38039 affects curl by allowing a malicious server to send an endless series of headers, consuming all available memory.

  • What is the severity of CVE-2023-38039?

    CVE-2023-38039 has a severity rating of high (7.5).

  • How can I fix CVE-2023-38039 on Ubuntu?

    To fix CVE-2023-38039 on Ubuntu, update the 'curl' package to version 7.88.1-8ubuntu2.2 or later.

  • How can I fix CVE-2023-38039 on Debian?

    To fix CVE-2023-38039 on Debian, update the 'curl' package to version 7.88.1-10 or later.

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