An update for ffmpeg is now available for openEuler-22.03-LTS-SP4 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2026-2664 Final 1.0 1.0 2026-06-12 Initial 2026-06-12 2026-06-12 openEuler SA Tool V1.0 2026-06-12 ffmpeg security update An update for ffmpeg is now available for openEuler-22.03-LTS-SP4 FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash. Security Fix(es): FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which allows a remote malicious user to cause a Denial of Service.(CVE-2020-20445) FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, which allows a remote malicious user to cause a Denial of Service.(CVE-2020-20446) FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.(CVE-2020-20450) FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder, which allows a remote malicious user to cause a Denial of Service(CVE-2020-20453) Buffer Overflow vulnerability in FFmpeg 4.2 in mov_write_video_tag due to the out of bounds in libavformat/movenc.c, which could let a remote malicious user obtain sensitive information, cause a Denial of Service, or execute arbitrary code.(CVE-2020-22015) A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_fieldorder.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22022) A heap-based Buffer Overflow vulnerability exits in FFmpeg 4.2 in deflate16 at libavfilter/vf_neighbor.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22027) A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_floodfill.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22034) When calculating the content path in handling of MPEG-DASH manifests, there's an out-of-bounds NUL-byte write one byte past the end of the buffer.When we call xmlNodeGetContent below [0], it returns a buffer precisely allocated to match the string length, using strdup internally. If this buffer is not an empty string, it is assigned to root_url at [1].If the last (non-NUL) byte in this buffer is not '/' then we append '/' in-place at [2]. This will write two bytes into the buffer, starting at the last valid byte in the buffer, writing the NUL byte beyond the end of the allocated buffer. We recommend upgrading to version 8.0 or beyond.(CVE-2025-59728) An update for ffmpeg is now available for openEuler-22.03-LTS-SP4. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High ffmpeg https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-20445 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-20446 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-20450 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-20453 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-22015 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-22022 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-22027 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2020-22034 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2025-59728 https://nvd.nist.gov/vuln/detail/CVE-2020-20445 https://nvd.nist.gov/vuln/detail/CVE-2020-20446 https://nvd.nist.gov/vuln/detail/CVE-2020-20450 https://nvd.nist.gov/vuln/detail/CVE-2020-20453 https://nvd.nist.gov/vuln/detail/CVE-2020-22015 https://nvd.nist.gov/vuln/detail/CVE-2020-22022 https://nvd.nist.gov/vuln/detail/CVE-2020-22027 https://nvd.nist.gov/vuln/detail/CVE-2020-22034 https://nvd.nist.gov/vuln/detail/CVE-2025-59728 openEuler-22.03-LTS-SP4 ffmpeg-4.2.4-38.oe2203sp4.src.rpm ffmpeg-4.2.4-38.oe2203sp4.x86_64.rpm ffmpeg-debuginfo-4.2.4-38.oe2203sp4.x86_64.rpm ffmpeg-debugsource-4.2.4-38.oe2203sp4.x86_64.rpm ffmpeg-devel-4.2.4-38.oe2203sp4.x86_64.rpm ffmpeg-libs-4.2.4-38.oe2203sp4.x86_64.rpm libavdevice-4.2.4-38.oe2203sp4.x86_64.rpm ffmpeg-4.2.4-38.oe2203sp4.aarch64.rpm ffmpeg-debuginfo-4.2.4-38.oe2203sp4.aarch64.rpm ffmpeg-debugsource-4.2.4-38.oe2203sp4.aarch64.rpm ffmpeg-devel-4.2.4-38.oe2203sp4.aarch64.rpm ffmpeg-libs-4.2.4-38.oe2203sp4.aarch64.rpm libavdevice-4.2.4-38.oe2203sp4.aarch64.rpm FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which allows a remote malicious user to cause a Denial of Service. 2026-06-12 CVE-2020-20445 openEuler-22.03-LTS-SP4 Medium 6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, which allows a remote malicious user to cause a Denial of Service. 2026-06-12 CVE-2020-20446 openEuler-22.03-LTS-SP4 Medium 6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service. 2026-06-12 CVE-2020-20450 openEuler-22.03-LTS-SP4 High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder, which allows a remote malicious user to cause a Denial of Service 2026-06-12 CVE-2020-20453 openEuler-22.03-LTS-SP4 Medium 6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 Buffer Overflow vulnerability in FFmpeg 4.2 in mov_write_video_tag due to the out of bounds in libavformat/movenc.c, which could let a remote malicious user obtain sensitive information, cause a Denial of Service, or execute arbitrary code. 2026-06-12 CVE-2020-22015 openEuler-22.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_fieldorder.c, which might lead to memory corruption and other potential consequences. 2026-06-12 CVE-2020-22022 openEuler-22.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 A heap-based Buffer Overflow vulnerability exits in FFmpeg 4.2 in deflate16 at libavfilter/vf_neighbor.c, which might lead to memory corruption and other potential consequences. 2026-06-12 CVE-2020-22027 openEuler-22.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_floodfill.c, which might lead to memory corruption and other potential consequences. 2026-06-12 CVE-2020-22034 openEuler-22.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664 When calculating the content path in handling of MPEG-DASH manifests, there's an out-of-bounds NUL-byte write one byte past the end of the buffer.When we call xmlNodeGetContent below [0], it returns a buffer precisely allocated to match the string length, using strdup internally. If this buffer is not an empty string, it is assigned to root_url at [1].If the last (non-NUL) byte in this buffer is not '/' then we append '/' in-place at [2]. This will write two bytes into the buffer, starting at the last valid byte in the buffer, writing the NUL byte beyond the end of the allocated buffer. We recommend upgrading to version 8.0 or beyond. 2026-06-12 CVE-2025-59728 openEuler-22.03-LTS-SP4 High 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H ffmpeg security update 2026-06-12 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2664