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CVE-2026-66041

Medium priority
Not affected

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vf_quirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with...

2 affected packages

ffmpeg, libav

Package 20.04 LTS
ffmpeg Not affected
libav
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CVE-2026-66040

Medium priority
Needs evaluation

FFmpeg through 8.1.2, fixed in commit b506faf, contains a heap out-of-bounds write vulnerability in the native PNG and APNG encoders that allows remote attackers to corrupt heap memory by supplying a crafted PNG image with a...

2 affected packages

ffmpeg, libav

Package 20.04 LTS
ffmpeg Needs evaluation
libav
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CVE-2026-66039

Medium priority
Needs evaluation

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a...

2 affected packages

ffmpeg, libav

Package 20.04 LTS
ffmpeg Needs evaluation
libav
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CVE-2026-66038

Medium priority
Needs evaluation

FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates...

2 affected packages

ffmpeg, libav

Package 20.04 LTS
ffmpeg Needs evaluation
libav
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CVE-2026-66037

Medium priority
Not affected

FFmpeg through 8.1.2, fixed in commit 5d7112c, contains an uncontrolled resource consumption vulnerability in the IAMF demuxer that allows an unauthenticated attacker to cause multi-gigabyte memory allocation from a 17-byte input...

2 affected packages

ffmpeg, libav

Package 20.04 LTS
ffmpeg Not affected
libav
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CVE-2026-66036

Medium priority
Needs evaluation

FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability in the vf_hqdn3d filter that allows attackers to corrupt heap memory by supplying a crafted video whose frame resolution increases...

2 affected packages

ffmpeg, libav

Package 20.04 LTS
ffmpeg Needs evaluation
libav
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CVE-2026-66035

Medium priority
Needs evaluation

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a...

1 affected package

libssh2

Package 20.04 LTS
libssh2 Needs evaluation
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CVE-2026-66034

Medium priority
Needs evaluation

libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of an uninitialized pointer via...

1 affected package

libssh2

Package 20.04 LTS
libssh2 Needs evaluation
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CVE-2026-66033

Medium priority
Needs evaluation

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2_cipher_crypt() function in src/openssl.c that allows a malicious SSH server to crash any connecting client...

1 affected package

libssh2

Package 20.04 LTS
libssh2 Needs evaluation
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CVE-2026-66032

Medium priority
Needs evaluation

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftp_open() function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP...

1 affected package

libssh2

Package 20.04 LTS
libssh2 Needs evaluation
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