The vulnerability of the Cisco Email Security Appliance’s security system and the Cisco Secure Email and Web Manager, related to the failure to handle CRLF sequences in HTTP headers, allows attackers to perform attacks by splitting HTTP responses.

The vulnerability of the Cisco Email Security Appliance’s security system and the Cisco Secure Email and Web Manager devices relates to the failure to handle CRLF sequences in HTTP headers. Exploiting this vulnerability allows a malicious actor to perform attacks by splitting HTTP responses using...

SUSE SLES15 Security Update : MozillaFirefox (SUSE-SU-2022:1577-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1577-1 advisory. - Uninitialized memory in a canvas object could have caused an incorrect free leading to memory corruption and a potentially...

ruby: HTTP response splitting in WEBrick

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows HTTP Response Splitting. If a program using WEBrick inserts untrusted input into the response header, an attacker can exploit it to insert a newline character to split a header, and inject malicious content to deceive clients...

PT-2022-6785 · Google +1 · Google Chrome +1

Name of the Vulnerable Software and Affected Versions: Google Chrome versions prior to 97.0.4692.71 Description: The issue is related to insufficient validation of untrusted input in the QUIC protocol implementation in Google Chrome. This can be exploited by a remote attacker to perform header...

CVE-2021-29991

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox 91.0.1 and Thunderbird 91.0.1...

CVE-2021-29991

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox 91.0.1 and Thunderbird 91.0.1...

CVE-2021-29991

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox 91.0.1 and Thunderbird 91.0.1...

CVE-2021-29991

CVE-2021-29991 affects Mozilla Firefox and Mozilla Thunderbird. The issue arises when Firefox incorrectly accepts a newline in an HTTP/3 header, treating it as two separate headers, enabling a header-splitting scenario for servers using HTTP/3. Affected versions are Firefox < 91.0.1 and Thunde...

CVE-2021-29991

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox 91.0.1 and Thunderbird 91.0.1...

CVE-2021-29991

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox 91.0.1 and Thunderbird 91.0.1...

CVE-2021-29991

Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox 91.0.1 and Thunderbird 91.0.1...

openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:1367-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1367-1 advisory. - Uninitialized memory in a canvas object could have caused an incorrect free leading to memory corruption and a potentially exploitable...

SUSE SLED15: MozillaFirefox / MozillaFirefox-branding-SLE / MozillaFirefox-devel / etc (SUSE-SU-2021:3451-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3451-1 advisory. This update contains the Firefox Extended Support Release 91.2.0 ESR. Release 91.2.0 ESR: Fixed: Various stability, functionality, and...

SUSE SLES15: MozillaFirefox / MozillaFirefox-branding-SLE / MozillaFirefox-devel / etc (SUSE-SU-2021:3331-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3331-1 advisory. This update contains the Firefox Extended Support Release 91.2.0 ESR. Firefox Extended Support Release 91.2.0 ESR Fixed: Various...

SUSE SLES11: MozillaFirefox / MozillaFirefox-translations-common / etc (SUSE-SU-2021:14821-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14821-1 advisory. This update contains the Firefox Extended Support Release 91.1.0 ESR. Fixed: Various stability, functionality, and security fixes MFSA 2021-40...

SUSE SLED12: MozillaFirefox / MozillaFirefox-branding-SLE / MozillaFirefox-devel / etc (SUSE-SU-2021:3191-1)

The remote SUSE Linux SLED12 / SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3191-1 advisory. This update contains the Firefox Extended Support Release 91.1.0 ESR. Fixed: Various stability, functionality, and securit...

Fedora 34 : firefox (2021-74b76e593a)

The remote Fedora 34 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2021-74b76e593a advisory. - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against...

Header Splitting Attack

firefox:sid is vulnerable to header splitting attack. Firefox incorrectly accepted a newline in a HTTP/3 header, interpreting it as two separate headers, allowing a header splitting attack against servers using HTTP/3...

USN-5047-1: Firefox vulnerability

It was discovered that Firefox could be made to incorrectly accept newlines in HTTP/3 response headers. If a user were tricked into opening a specially crafted website, an attacker could exploit this to conduct header splitting attacks...

USN-5047-1 firefox vulnerability

It was discovered that Firefox could be made to incorrectly accept newlines in HTTP/3 response headers. If a user were tricked into opening a specially crafted website, an attacker could exploit this to conduct header splitting attacks...