October 10, 2023: The curl development team will release a new version of curl tomorrow, October 6, 2023, to patch a critical security flaw described as the worst in years.
The flaw tracked as CVE-2023-38545 is a heap-based buffer overflow vulnerability that could allow an attacker to execute arbitrary code on a victim’s system. The flaw is exploitable through curl’s HTTP/2 and HTTPS protocols.
The curl development team has urged all users to update to curl 8.4.0 as soon as possible to mitigate the risk of exploitation.
Implications of the Curl Security Flaw
The curl security flaw has several implications for businesses, consumers, and investors.
Businesses that use curl in their applications are at risk of exploitation. Businesses should update to curl 8.4.0 as soon as possible.
Consumers who use curl on their devices are also at risk of exploitation. Consumers should update to curl 8.4.0 as soon as possible.
Investors in companies that use curl in their products and services may risk financial losses if the flaw is exploited. Investors should contact the companies they invest in to inquire about their plans to patch the flaws.
The curl security flaw is a serious vulnerability that could allow attackers to execute arbitrary code on the victim’s systems. All curl users should update to curl 8.4.0 as soon as possible to mitigate the risk of exploitation.
Additional Information
Qualys security researcher Edoardo Coppa discovered the curl security flaw. Coppa reported the flaw to the curl development team in August 2023.
The curl development team has not released any technical details about the flaw. However, the team has said the flaw is exploitable through curl’s HTTP/2 and HTTPS protocols.
All curl users should update to curl 8.4.0 as soon as possible to mitigate the risk of exploitation.
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